characteristics of computer essay

Essay on Computer and its Uses for School Students and Children

500+ words essay on computer.

In this essay on computer, we are going to discuss some useful things about computers. The modern-day computer has become an important part of our daily life. Also, their usage has increased much fold during the last decade. Nowadays, they use the computer in every office whether private or government. Mankind is using computers for over many decades now. Also, they are used in many fields like agriculture, designing, machinery making, defense and many more. Above all, they have revolutionized the whole world.

History of Computers

It is very difficult to find the exact origin of computers. But according to some experts computer exists at the time of world war-II. Also, at that time they were used for keeping data. But, it was for only government use and not for public use. Above all, in the beginning, the computer was a very large and heavy machine.

Working of a Computer 

The computer runs on a three-step cycle namely input, process, and output. Also, the computer follows this cycle in every process it was asked to do. In simple words, the process can be explained in this way. The data which we feed into the computer is input, the work CPU do is process and the result which the computer give is output.

Components and Types of Computer

The simple computer basically consists of CPU, monitor, mouse, and keyboard . Also, there are hundreds of other computer parts that can be attached to it. These other parts include a printer, laser pen, scanner , etc.

The computer is categorized into many different types like supercomputers, mainframes, personal computers (desktop), PDAs, laptop, etc. The mobile phone is also a type of computer because it fulfills all the criteria of being a computer.

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Uses of Computer in Various Fields

As the usage of computer increased it became a necessity for almost every field to use computers for their operations. Also, they have made working and sorting things easier. Below we are mentioning some of the important fields that use a computer in their daily operation.

Medical Field

They use computers to diagnose diseases, run tests and for finding the cure for deadly diseases . Also, they are able to find a cure for many diseases because of computers.

Whether it’s scientific research, space research or any social research computers help in all of them. Also, due to them, we are able to keep a check on the environment , space, and society. Space research helped us to explore the galaxies. While scientific research has helped us to locate resources and various other useful resources from the earth.

For any country, his defence is most important for the safety and security of its people. Also, computer in this field helps the country’s security agencies to detect a threat which can be harmful in the future. Above all the defense industry use them to keep surveillance on our enemy.

Threats from a Computer

Computers have become a necessity also, they have become a threat too. This is due to hackers who steal your private data and leak them on internet. Also, anyone can access this data. Apart from that, there are other threats like viruses, spams, bug and many other problems.

The computer is a very important machine that has become a useful part of our life. Also, the computers have twin-faces on one side it’s a boon and on the other side, it’s a bane. Its uses completely depend upon you. Apart from that, a day in the future will come when human civilization won’t be able to survive without computers as we depend on them too much. Till now it is a great discovery of mankind that has helped in saving thousands and millions of lives.

Frequently Asked Questions on Computer

Q.1  What is a computer?

A.1 A computer is an electronic device or machine that makes our work easier. Also, they help us in many ways.

Q.2 Mention various fields where computers are used?

A.2  Computers are majorly used in defense, medicine, and for research purposes.

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What is Computer? Definition, Characteristics and Classification

A computer is an electronic device that can store, manipulate, and process data according to a set of instructions. Know more about the Computer and its Classification, Characteristics, Functionality.

Table of Contents

What is a Computer?

In the modern world, computers have become an integral part of our daily lives, revolutionizing the way we work, communicate, and entertain ourselves. From desktops to laptops, tablets to smartphones, computers come in various forms, yet many people are still unfamiliar with their inner workings and potential. In this article, we will discuss everything about the Computer Definition, Characteristics, Components, Functionality, and Classification .

Definition of Computer

A computer is an electronic device wherein we need to input raw data to be processed with a set of programs to produce a desirable output . Computers have the ability to store, process, and manipulate data. The term “computer” is derived from the Latin word “computare,” which means “to calculate.” A computer is made to run programs and apps by using both hardware and software. It also has a memory to store data, programs, and what they produce.

Characteristics of Computer

Computers are now an integral part of our daily lives, from managing student records in schools to handling patient records in hospitals. They have significantly simplified our tasks. Now, we can quickly access stored data and solve complex problems in just seconds. Some of the characteristics of Computers are listed below-

• Saves Time: A computer saves time by completing tasks quicker and more efficiently. For example, it can solve big complex problems within seconds which can save many minutes of ours.
• Internet: Computers connect us to the internet which can help us to know important information from around the world, it can connect us with people from around the world through social networking sites, etc.
• Storage: The computer gives us enough storage space that can be used to store a large amount of data including your projects, ebooks, documents, movies, pictures, songs, etc.
• Entertainment: Computers are also a big source of entertainment as you can play games, listen to songs, watch movies, and can also use social networking sites.
• Organized Data: It not only stores the data for you for also organizes the data for you. You can create different folders for different types of data and can easily access them when required.
• Helps the physically challenged: Computers are a big boon for the physically challenged people as Stephen Hawking, who was not able to speak used the computer to speak. It also can be used to help blind people by installing special software to read what is on the screen.

Features OF Computer

We have discussed a few points that will highlight the different features of computers. These features collectively contribute to the versatility and functionality of computers.

• Processing Power: Computers can execute instructions and perform calculations quickly.
• Storage Capacity: They can store vast amounts of data, from documents to multimedia files.
• Memory (RAM): Temporary storage used for actively running programs and processes.
• Input Devices: Keyboards, mouse, and other peripherals allow users to input data.
• Output Data: Monitors, printers, and speakers display or produce results.
• Upgradability: Components like RAM, storage, and graphics cards can be upgraded.
• Portability: Laptops and tablets offer mobility compared to desktop computers.
• User Interface: Graphical user interfaces (GUIs) or command-line interfaces for interaction.
• Security Features: Passwords, firewalls, and antivirus tools protect against unauthorized access.
• Power Management: Features to optimize energy consumption.

History of Computer

To understand the development of computers, and how they evolved from simple mechanical devices to the complex electronic machines that we use today. The knowledge can help to appreciate the challenges that computer scientists have faced over the years and the ingenuity they have shown in overcoming them.

Studying the history of computers can help to anticipate future developments in the field. The history of computers can be traced back to the ancient Greeks, who used the abacus to perform simple calculations. In the 17th century, Blaise Pascal invented the mechanical calculator, which could perform more complex calculations. In the 19th century, Charles Babbage designed the Analytical Engine, which is considered to be the first general-purpose computer. By understanding the history of computers that have shaped the development in the past.

Classification of Computers

Computers come in various types, primarily categorized by their data handling capacity and physical size. Based on the size, computers are 5 types namely, Micro Computer, Mini Computer, Mainframe Computer, Super Computer and Work stations. Whereas, based on data handling capacity, there are 3 types of computers namely analogue computers, digital computers, and hybrid computers. All the different types of computers perform different tasks and have been designed differently. For your reference, we have discussed all the types of computers and you can scroll through the page to read them all.

Based on Size

There are various types of computers available in the markets which are of different sizes. These computers are different from each other with respect to the amount of work they can do or the amount of data they can hold. Here we have classified the main 5 types of computers based on their size and have also provided the details regarding the same.

1. Micro Computer:

Micro Computers are mainly single-user computers and have comparatively lesser storage and speed than other computers. The first microcomputer was built with 8-bit microprocessor chips as these computers use microprocessors as CPU. Laptops, smartphones, desktop computers, etc. are all examples of microcomputers. These computers are made for everyday tasks like browsing the web and using programs like Microsoft Office MS Word etc..

2. Mini Computer:

Midrange computers or Mini-computers are multi-user computers designed in a way so as to entertain multiple users simultaneously. Small businesses and firms use these computers for their specific purposes. For example- a company or organization may use mini computers to look after the employee directory which may handle the payment history of its employees and any schools may use them to keep records of the students or for admission purposes.

3. Mainframe Computer:

Mainframe Computers are also not designed for single users, rather it is a multi-user computer that can handle thousands of users all at once. Large industries and government organizations utilize these computers to facilitate their business operations by storing substantial volumes of data. Banks and insurance companies use these computers to store the data of their customers, their policies, etc.

4. Super Computer:

Super Computer is the fastest type of computer amongst all and is also the most expensive. They can store a large number of data and can perform the most complex tasks within seconds. They can also execute millions of instructions per second. These computers are designed specifically to handle specific tasks such as weather forecasting, space research, and more. Supercomputers are also used by NASA for their Satellite launching.

5. Work Stations:

Workstations are single-user computers and have more powerful microprocessors than a microcomputer. When it comes to speed and storage capacity, it comes between a personal computer and a mini-computer. The most common uses of a workstation are desktop publishing, engineering designs, etc.

Based on Data Handling Capacity

Computers can be divided into 3 types based on their data handling capacity namely, analog, digital, and hybrid computers. These are different from each other with respect to the type of work they can do and the amount of data they can handle. We have discussed these types of computers in detail below.

Analog Computer:

The main function of Analog Computers is to process analog data. The data that changes frequently and does not have discrete values are called data and the analog computers are used at places where we have approximate values e.g., speed, temperature, pressure, etc. These computers can pick data from the devices without converting it into machine language. Some common examples of analog computers are speedometers, thermometers, etc.

Digital Computer:

Digital Computers are designed in a way so that they can perform calculations and logical operations at high speed. These computers input raw data and with the help of the programs stored in their memory, it gives the final output. Digital computers can only understand binary language i.e., 0 and 1 hence, the raw data to be given as input is converted into 0 and 1 and then it is processed. Examples are laptops, desktops, smartphones, etc.

Hybrid Computer:

Hybrid, as the name suggests is a mixture of both analog and digital computers. Hybrid computers are as fast as analog computers and also have accuracy like that of digital computers. These computers can process both continuous and discrete data as they accept analog signals and then convert them into digital signals before processing. Some common uses of Hybrid computers are in airplanes, hospitals, etc.

Components of a Computer

A computer mainly has two components i.e. hardware and software wherein the components of the computers having a physical structure such as wires, transistors, circuits, and hard disk make up the hardware whereas the programs and data make up the software. Some other important components of a Computer are discussed below.

Central Processing Unit (CPU)

Often referred to as the “brain” of the computer, the CPU is responsible for executing instructions and performing calculations. It interprets and carries out the commands from software and hardware components.

Computer Memory

Computers have different types of memory for temporary and permanent data storage. Random Access Memory (RAM) provides fast but volatile storage, while the hard drive or Solid-State Drive (SSD) offers non-volatile, long-term storage for programs and files.

Arithmetic Logic Unit (ALU)

An arithmetic logic unit (ALU) is a key component of a computer’s central processor unit. The ALU is part of a central processing unit (CPU) and performs all arithmetic and logic operations that must be performed on instruction words. The ALU is split into two parts in some microprocessor architectures: the AU and the LU.

Input Devices of Computer

Input Devices of the Computer enable users to interact with the computer. These are tools used to provide information and commands to the computer. Examples include keyboards, mice, touchscreens, scanners, and microphones. They allow us to input commands, data, and instructions for the computer to process. Keyboards and mouse allow users to input text, navigate interfaces, and interact with software. Tochpads offer similar functions on laptops and touch-enabled devices. Microphones capture audio input, enabling voice commands, voice recordings, and communication in applications like voice chat and video conferencing.

Output Devices of Computer

Output Devices of Computers display or transmit processed information to users. These are tools that display or produce information from the computer. Common examples include monitors, printers, speakers, and headphones. They present the results of computations, provide visual feedback, or produce audio output. Monitors show visual data like tests and images, while printers create physical copies of documents. Speakers and headphones produce sound output, allowing us to hear audio from videos, music, or other multimedia on our computer.

Motherboard

The motherboard acts as the central hub connecting all the computer’s components. It houses the CPU, memory modules, expansion slots, and connectors, facilitating communication and data transfer between different parts of the system.

Functionality of a Computer

Computers possess remarkable versatility and can perform a multitude of tasks. Some basic Functionalities and uses of a Computer are discussed below.

• Data Processing: Computers excel at processing vast amounts of data quickly and accurately. They can manipulate numbers, perform complex calculations, analyze patterns, and generate reports.
• Information Storage: With their vast storage capacities, computers can store massive amounts of information, from personal files to entire databases. They enable quick retrieval and organization of data for efficient access and analysis.
• Communication: Computers facilitate seamless communication through various means, such as email, instant messaging, video conferencing, and social media. They enable global connectivity and information sharing on an unprecedented scale.
• Multimedia and Entertainment: Computers serve as multimedia powerhouses, allowing users to watch movies, listen to music, view images, play games, and edit videos. They provide immersive experiences and entertainment options for users of all ages

Finally, a computer is a remarkable electronic device that processes data, performs calculations, and executes tasks based on programmed instructions. It comprises various components working together to facilitate the input, processing, and output of information. From their ability to process data at incredible speeds to their role in communication, entertainment, and information storage, computers have revolutionized every aspect of our lives. The Computer was invented by Charles Babbage.  So he is known as the father of computers .

Some Interesting Facts About Computer

Below we have discussed a few interesting Facts about computers:

• The first computer programmer was Lady Augusta Ada Lovelace, who wrote the first algorithm for Charles Babbage’s Analytical Engine in the 1840s.
• The word “Bug” in the context of computer glickes originated in 1947 when a moth caused a malfunction in the Harvard Mark II computer.
• The world’s first computer mouse was invented by Douglas Engelbart in 1964 and was made of wood.
• The term “Byte” was coined by Dr. Werner Buchholz in 1956 while working on IBM’s Stretch computer.
• The first electronic computer, ENIAC, weighed around 30 tons and used more than 17,000 vacuum tubes.
• The Apollo 11 guidance computer, which landed humans on the moon in 1969, had less processing power than a modern smartphone.

Generation of Computer (1st to 5th)- Read Now

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Q1. What is computer?

Ans. A computer is an electronic device wherein we need to input raw data to be processed with a set of programs to produce a desirable output. Computers also have the capacity to store, process and manipulate the data.

Q2. What are Super Computers?

Ans. Super Computers is the fastest type of computer amongst all and is also the most expensive. They can store a large number of data and can perform the most complex task within seconds. They can also execute millions of instructions per second.

Q3. How many types of Computers are there?

Ans. The computers can classified on the basis of their size and their data handling capacity. There are 5 types of computers based on the size whereas there are 3 types of computers based on their data handling capacity.

Q4. What are Hybrid Computers?

Ans. Hybrid computers are fast as an analog computer and also has accuracy like that of digital computers. These computers can process both continuous and discrete data as it accepts analog signal and then converts them into digital signals before processing. Some common uses of Hybrid computers are in airplanes, hospitals, etc.

Q5. What is the full form of COMPUTER?

Ans. The full form of COMPUTER is Common Operating Machine Purposely Used for Technological and Educational Research.

What are the 4 types of computer?

Ans. Four types of computer are Supercomputers. Mainframe computers. Minicomputers. Personal computers (PCs) or microcomputers.

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• Essay on Computer

Long and Short Computer Essay

The term computer was once used to refer to a person who did computation, unlike today. The development of early prototypes that led to the modern computer is credited to many individuals throughout history. A series of breakthroughs, beginning with transistor computers and then integrated circuit computers, resulted in the development of transistor technology and the integrated circuit chip, causing digital computers to largely replace analogue computers. 

In this essay, we will discuss the various components and types of computers and talk about their uses in various fields.

Long Computer Essay in English

A computer is an electronic tool that manipulates data or information. It can store, retrieve, and process information. We can type documents, send emails, play games, and browse the Web using a computer. It can also be used to edit spreadsheets, presentations, and even videos, or create them. 

Early computers were conceived only as devices for calculating. Simple manual devices such as the abacus have helped individuals do calculations since ancient times. Some mechanical devices were built early in the Industrial Revolution to automate long, tedious tasks, such as guiding patterns for looms. In the early 20th century, more sophisticated electrical machines performed specialized analogue calculations. 

Common Components of Computers

All those parts of a computer that are tangible physical objects are covered under the term hardware. The hardware includes circuits, computer chips, graphics cards, sound cards, memory (RAM), motherboards, displays, power supplies, cables, keyboards, printers and "mice" input devices.

 There are five main hardware components: 

Input Devices: 

These are devices that are used to enter data/information in the central processing unit. Example- keyboard, mouse, scanner, document reader, barcode reader, optical character reader, magnetic reader etc.

Output Devices: 

These are devices that provide the processed data/information into human-readable form. Example- monitor, printer, speaker, projector etc.

Control Unit: 

The control unit handles the various components of the computer; it reads and interprets (decodes) the instructions for the program, transforming them into control signals that activate other computer parts.

Arithmetic Logic Unit: 

It is capable of performing arithmetical and logical functions. The set of arithmetic operations supported by a specific ALU may be restricted to addition and subtraction or may include functions of multiplication, division, trigonometries such as sine, cosine, etc., and square roots.

Central Processing Unit: 

The ALU, control unit and registers and together called the CPU. It is sometimes called the computer's brain, and its job is to perform commands. We send instructions to the CPU whenever we press a key, click the mouse, or start an application.

Software refers to computer parts, such as programs, data, protocols, etc., that do not have a material form. In contrast to the physical hardware from which the system is built, the software is that portion of a computer system consisting of encoded information or computer instructions.

It is sometimes called "firmware" when the software is stored in hardware that can not be easily modified, such as with a BIOS ROM on an IBM PC compatible computer.

Computer hardware and software require each other, and neither of them can be realistically used on their own. There are four main components of a general-purpose computer: the arithmetic logic unit (ALU), the control unit, the memory, and the I/O (collectively called input and output) devices.

Uses of Computer

Computers are used in various fields, such as homes, businesses, government offices, research organizations, educational institutions, medicine, entertainment, etc. because of their features and powerful functions. They have taken sectors and companies to a whole new level.

Science- 

Computers are best suited for the collection, analysis, categorization, and storage of data in science, research and engineering. They also help scientists to exchange data both internally and internationally with each other.

Government-  

Computers in the government sector are used to perform various functions and improve their services. In most cases, data processing tasks, the maintenance of citizens' databases, and the promotion of a paperless environment are the primary purposes of using computers. In addition to this, computers play a key role in the country's defence system.

Health and Medicine- 

They are used to preserve information, records, live patient monitoring, X-rays, and more from patients. Computers assist in setting up laboratory tools, monitoring heart rate and blood pressure, etc. Besides, computers allow physicians to easily exchange patient data with other medical specialists.

Education- 

They help people get different educational materials (such as images, videos, e-books, etc.) in one place. Also, computers are best suited for online classes, online tutoring, online exams, and task and project creation. Also, they can be used to maintain and track student performance and other data.

Banking- 

Most countries use online banking systems so that customers can access their data directly. People can verify the balance of their account, transfer cash, and pay online bills, including credit cards. Besides, banks use computers to execute transactions and store client information, transaction records, etc.

Short Computer Essay in English

A computer's a programmable device that accepts raw data(input) and processes it as output with a group of instructions (a program) to supply the result. It renders output after performing mathematical and logical operations and can save the output for future use. The word "computer" derives from the word "computare" in Latin, which means calculating.

Types of Computer

Computers are of different types based on different criteria. Based on their size, computers are of five types:

Micro Computers- 

It is a single-user computer that has less capacity for speed and storage than the other types. For a CPU, it uses a microprocessor. Laptops, desktop computers, personal digital assistants (PDAs), tablets, and smartphones are common examples of microcomputers. Microcomputers are generally designed and built for general use, such as browsing, information search, the internet, MS Office, social media, etc.

Mini Computers- 

Minicomputers are also referred to as "Midrange Computers." They are multi-user computers designed to simultaneously support multiple users. Therefore, they are generally used by small companies and firms. 

Mainframe Computers- 

It is also a multi-user computer that large companies and government organizations use to run their business operations as large amounts of data can be stored and processed. Banks, universities, and insurance companies, for example, use mainframe computers to store data from their customers, students, and policyholders.

Super Computer- 

Among all types of computers, supercomputers are the fastest and most costly computers. They have an enormous capacity for storage and computing speeds and can therefore perform millions of instructions per second.

Workstations-  

It is a single-user computer with a comparatively more powerful microprocessor and a high-quality monitor compared to a mini-computer.

Benefits of Computers:

It increases productivity.

It helps in connecting to the internet.

It helps in organizing data and information.

It allows storing large amounts of data.

Fun Facts About Computers

The first electric computer that was invented weighed around 27 tons or even more than that and took up to 1800 square feet.

There are about 5000 new viruses that are released every month.

The original name of Windows was Interface Manager.

It is surely known that the life of humans would not have been so easy if computers were not a part of human life. This is also supported by a lot of pieces of evidence where we can even see in daily life how the computer is not just present in an organization but is also available right in the pockets of everyone. Thus, the computer has surely made it easy while also spoiling a lot of people's lives. 

FAQs on Essay on Computer

1. What are the disadvantages of computers?

While the computer has surely made life easier, it also has a lot of disadvantages. The disadvantages of the computers can be provided as follows:

People spend too much time sitting and doing nothing but watching the content on computers.

People staring at computers for a long time also tend to strain their eyes, and as a result, they need spectacles to understand what is being written in front of them.

Attention span is decreasing with an increase in the use of computers. 

With computers being AI-powered, it is now easier for people to do all the tasks on a computer and not work on it themselves. This has made a lot of people lazy.

2. What is the process of working on a computer?

A computer is an electronic machine and it needs information to be added in as raw data to function well. It has a flow that determines the accessing of data. The following steps take place before the results are obtained:

Information is taken in by the computer in the form of raw data. This process is also called the input.

Then the information that is not needed will be stored while the information that is needed is passed onto the next step. The storing of data is called memory.

Then the information that is required is crushed or it is split and this process is called processing.

The last step is where the results are obtained. This process is called getting the output.

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Importance Of Computer Essay - 100, 200, 500 Words

• Essay on The Importance of Computers

With the development of Science and Technology, computers have become an essential part of human life. The lives of people revolve around technology. Computers are used in every sector. The computer was invented by Charles Babbage. From students to working professionals, entrepreneurs, and prominent business owners, computers are used for various purposes. Here are a few sample essays on the importance of computers:

100 Words Essay on The Importance of Computer

200 words essay on the importance of computer, 500 words essay on the importance of computer.

A computer is a modern and complex machine, adequate for performing various tasks in a fraction of a second. These devices are used in various fields such as educational and medical fields. In the education field, a computer is used for teaching and learning purposes. In the modern era, a computer is used for smart classes (computer-based learning) to make sessions informative, and interactive and to ensure that students capture and understand the significant information of all the topics and it does not skip their mind. Various prominent software has been developed to enhance the learning and skills of students and teachers. Computers are used in medical sectors for X-rays, CT scans, MRI scans, etc, to monitor and store the records of patients.

Technology has changed the aspects of life and has made life better. Computers are popular electronic devices that can be used to write documents, play games, send an email, make presentations and designs and browse the internet for finding information. The older generation systems were less effective and had fewer functions but improvisations have been made to make these systems effective and more useful. Computers have made life easy for individuals as one can find information about anything they are looking for at their own pace.

These are used in various places like colleges, schools, hospitals, universities, homes, offices, banks, government organisations, airports, railways, etc. These systems help in communication, storage of data, learning and improving skills, etc. Manual labour has been reduced because of the various software available on computers. This software helps in the calculation, making presentations, writing, online shopping, printing materials, booking tickets, etc.

Nowadays, most activities like traffic control, movement of people in societies, etc. are monitored by computers. High-performance computers are used in the field of Science and Engineering to stimulate dynamic processes, topographic images, plotting and analysing data, and for research and development. They are also used to digitise photographs, make animations and graphic designing, dance, arts, and culture.

Computers have become an essential part of modern lives. These systems serve as a convenient information source for managing organisations and accomplishing various tasks. This is one of the significant reasons that computers are in higher demand for banking, entertainment, education, businesses, administration work, and in industries. The computer generation and delivery market are thriving across the world. From large computer systems to handy systems (laptops); computers are present in all organisations. No organisation, industry, or business can function independently of these systems. They are used for various purposes in different sectors.

Use of Computers in Different Sectors

Computers are used in businesses of small and large scale to store data. It helps business owners to record their company data, information, and salaries of employees, and to allow the work to employees. Different software available in the systems also helps them to store the progress of the employees. They are being extensively used for educational purposes.

Computers have replaced books as large amounts of information and knowledge is widely available via the internet. The present generation (generation Z) is completely dependent on these systems for their educational purposes. Schools, institutes, and universities are dependent on computers to store the information, record, and progress of students. Computer-based learning has been introduced in schools. Educational organisations have also introduced computers as a subject to educate students about emerging technology.

The invention of these systems has also generated employment and a whole sector is dedicated to these systems, that is the IT (Information Technology) sector.

Computer use is not limited to these sectors but also expands to governmental organisations, home, and medical sectors. Computers are used in the medical sector to monitor patients' blood pressure and respiration rates. It helps in storing medical and patient data to deliver quality health care. This information is useful to improve the treatment of the patient. The data stored in systems of medical care units can help in the analysis of disease and control it before it turns out to be epidemic. Nowadays, computer-assisted surgery has been introduced in hospitals, which has become a blessing.

In the government sector, it is used for data processing, maintaining the data of citizens like their birth, location, number of family members, and death. The defence organisation of countries has benefited from these systems for satellites, missile development, rocket launches, etc. Computers are also being used for banking purposes. The use of computers has introduced paperless eco-friendly systems.

The Pandemic Period

None of us can ever forget the lockdown period when COVID-19 cases were rising rapidly, we were locked in our houses and no sector was working except the medical sector. During these times we understood the importance of computers in our lives because these systems helped us to connect not only to our loved ones but also to our colleagues and to continue working with the help of our computer systems. The lockdown period showed the importance of these systems to humankind and it turned out to be a blessing in the middle of chaos. Most companies and educational sectors became dependent on these systems to function properly.

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Essay on Computers for Students: What is a Supercomputer?

• Updated on  
• May 24, 2024

The computer is a device used for storing and sharing data, typing documents, playing games, and many more. This modern device has revolutionized the world and has become a crucial part of our daily lives. Over the years, computers have brought about changes not only in people’s lives but also in the technological field. In this blog, we will go over the essay on computers. 

Table of Contents

• 1.1 Importance of Computers in Our Lives
• 1.2 10 Uses of Computer
• 1.3 Skills That Can Be Learned Through Computers:
• 2 What are Supercomputers?
• 3 150 Words Paragraph on Computer

Essay on Computers in 500 Words

A computer is an electronic device that has led to a technological revolution in the modern world. Being a part of our daily life, this device has seen significant changes throughout the years. However, the exact origin of computers is still unknown. 

The original concept for this programming machine was developed in the 19th century by Charles Babbage, also known as the ‘Father of the Computer’. His experiment established the foundation for what modern computers are today. During the 1980s, there was a rise in personal computers, making it easier for individuals to use them for personal purposes. Later, the emergence of the internet allowed the rapid growth of computers in the public domain. The invention of the World Wide Web was seen as the most significant innovation in technology. It paved the path for more advancements than a human society could have imagined.

Quick Read: Essay on Financial Literacy

Importance of Computers in Our Lives

Computers have become an integral part of our daily lives, and much of our work is dependent on them. 

• Communication and Connectivity – Since ancient times, government organisations have used computers to communicate and connect globally. One example of such a situation in World War II when computers played a significant role in exchanging and coordinating data and information.
• Enhance productivity – The primary purpose of computers was to provide support and increase productivity to those carrying out a particular task.
• Education – Computers help in acquiring information from all around the world, making learning more accessible.
• E-commerce – Computers have changed the way businesses operate promoting digital transactions that help to optimise operations and improve customer service.
• Entertainment – A computer offers digital content and streaming services in the comfort of your house, making it a source of entertainment
• Innovation – A computer can be used to advance technology in fields such as artificial intelligence and others.

Quick Read: Essay on Viksit Bharat

10 Uses of Computer

• Helps in Research and E-Learning : Computers help in education by providing access to knowledge from around the world. Anything may be learned and understood using the content available online.
• Analyzing business trends : Analysing business trends involves doing research on the present scenario and developing marketing strategies.
• Advanced diagnosis : Computers assist in the diagnosis and treatment of diseases through modern medical technologies such as MRI and CT scans.
• Data keeping : A computer helps in the maintenance of data and its records. It allows you to store, access, and share data securely.
• Digital literacy : Through computer systems, people can learn about digital advancements in areas that are important for people in this digital age.
• E-government services : Nowadays, people can get information about government services directly from their portal.
• Online banking : Online banking allows anyone to make digital transactions from anywhere in the world.
• E-filling : Any document required for a legal or financial operation can now be completed via the Internet.
• Social networking : Using technology, people can connect from anywhere. This helps people network more effectively.
• Online shopping : You no longer have to attend the market to shop; instead, you can do so from the convenience of your own home or workplace.

Skills That Can Be Learned Through Computers:

A computer can help you learn many skills if used wisely. Some of the skills are given below: 

• Technical Skills : Coding, Web development, software development, and cybersecurity.
• Business Skills : Microsoft Office suit and Project management
• Creative Skills : Graphic Design video editing and music production
• Marketing : Digital Media marketing, Social media marketing and analyzing trends
• Language Skills : Learning a new language and blogging
• Financial Skills : Financial literacy, accounting, and managing data
• STEM Skills : Science, Technology, engineering, mathematics
• Personal Development Skills

Also Read: Essay on Digital India for Students

What are Supercomputers?

A supercomputer is a higher-level computer with more programming capabilities than a standard computer. These computers are widely used for major projects like scientific research, engineering, and weather forecasting, which demand high speed and accuracy. These computers are capable of performing complex calculations, processing, and storing large amounts of data. The working of these computers can challenge the most simulating scenarios to unveil the most complex mysteries. Supercomputers are pushing the boundaries of technology, driving innovation by expanding our understanding of the world. 

CDC 6600 was the first supercomputer invented in 1960 by Seymour Cray. He is also known as the father of supercomputing. Following this, India also introduced its first supercomputer in 1991, known as PARAM 8000. This noted super-machine is 28 times faster and more powerful than the Cray X-MP that the government originally requested and was built for $10 million.

150 Words Paragraph on Computer

Also Read: National Science Day

Ans: The first computer was invented by Charles Babbage, also known as ‘The Father of the Computer’. 

Ans: The exact timing of the invention is unknown, however, it occurred between 1833 and 1871.

A.3 A computer can help you in the learning of many skills like Technical Skills, Business Skills, Language Skills, Financial Skills, and many more.

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10 Major Characteristics of Computer System

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Quick Links [Show/ Hide List] • Speed • Accuracy • Diligence • Versatility • Reliability • Consistency • Memory • Storage Capacity • Remembrance Power • Automation var toggler = document.getElementsByClassName("caret"); var i; for (i = 0; i

Speed of Computer

Accuracy of computer, diligence of computer, versatility of computer.

Reliability of Computer

Consistency of computer, memory of computer, storage capacity of computer.

Remembrance Power of Computer

Automation in computer, limitations of the computer.

• • Block Diagram of Computer
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Characteristics of Computer System

The characteristics of the computer system are as follows −

A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. Computers can process millions (1,000,000) of instructions per second. The time taken by computers for their operations is microseconds and nanoseconds.

Computers perform calculations with 100% accuracy. Errors may occur due to data inconsistency or inaccuracy.

A computer can perform millions of tasks or calculations with the same consistency and accuracy. It doesn’t feel any fatigue or lack of concentration. Its memory also makes it superior to that of human beings.

Versatility

Versatility refers to the capability of a computer to perform different kinds of works with same accuracy and efficiency.

Reliability

A computer is reliable as it gives consistent result for similar set of data i.e., if we give same set of input any number of times, we will get the same result.

Computer performs all the tasks automatically i.e. it performs tasks without manual intervention.

A computer has built-in memory called primary memory where it stores data. Secondary storage are removable devices such as CDs, pen drives, etc., which are also used to store data.

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Characteristic of a computer.

By Dinesh Thakur

Basic characteristics about computer are:

Therefore, we determine the speed of computer in terms of microsecond (10-6 part of a second) or nanosecond (10 to the power -9 part of a second). From this you can imagine how fast your computer performs work.

2. Accuracy: – The degree of accuracy of computer is very high and every calculation is performed with the same accuracy. The accuracy level is 7.

determined on the basis of design of computer. The errors in computer are due to human and inaccurate data.

3. Diligence: – A computer is free from tiredness, lack of concentration, fatigue, etc. It can work for hours without creating any error. If millions of calculations are to be performed, a computer will perform every calculation with the same accuracy. Due to this capability it overpowers human being in routine type of work.

4. Versatility: – It means the capacity to perform completely different type of work. You may use your computer to prepare payroll slips. Next moment you may use it for inventory management or to prepare electric bills.

5. Power of Remembering: – Computer has the power of storing any amount of information or data. Any information can be stored and recalled as long as you require it, for any numbers of years. It depends entirely upon you how much data you want to store in a computer and when to lose or retrieve these data.

6. No IQ: – Computer is a dumb machine and it cannot do any work without instruction from the user. It performs the instructions at tremendous speed and with accuracy. It is you to decide what you want to do and in what sequence. So a computer cannot take its own decision as you can. 

7. No Feeling: – It does not have feelings or emotion, taste, knowledge and experience. Thus it does not get tired even after long hours of work. It does not distinguish between users.

8. Storage: – The Computer has an in-built memory where it can store a large amount of data. You can also store data in secondary storage devices such as floppies, which can be kept outside your computer and can be carried to other computers.

You’ll also like:

• What is e – commerce ? What are its characteristic
• Definition of Computer | Meaning of computer
• History of Computer | Generation of Computer
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4.1: Introduction to Comparison and Contrast Essay

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• Page ID 174873

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The key to a good compare-and-contrast essay is to choose two or more subjects that connect in a meaningful way. Comparison and contrast is simply telling how two things are alike or different. The compare-and-contrast essay starts with a thesis that clearly states the two subjects that are to be compared, contrasted, or both. The thesis should focus on comparing, contrasting, or both.

Key Elements of the Compare and Contrast:

• A compare-and-contrast essay analyzes two subjects by either comparing them, contrasting them, or both.
• The purpose of writing a comparison or contrast essay is not to state the obvious but rather to illuminate subtle differences or unexpected similarities between two subjects.
• The thesis should clearly state the subjects that are to be compared, contrasted, or both, and it should state what is to be learned from doing so.
• Organize by the subjects themselves, one then the other.
• Organize by individual points, in which you discuss each subject in relation to each point.
• Use phrases of comparison or phrases of contrast to signal to readers how exactly the two subjects are being analyzed.

Objectives: By the end of this unit, you will be able to

• Identify compare & contrast relationships in model essays
• Construct clearly formulated thesis statements that show compare & contrast relationships
• Use pre-writing techniques to brainstorm and organize ideas showing a comparison and/or contrast
• Construct an outline for a five-paragraph compare & contrast essay
• Write a five-paragraph compare & contrast essay
• Use a variety of vocabulary and language structures that express compare & contrast essay relationships

Example Thesis: Organic vegetables may cost more than those that are conventionally grown, but when put to the test, they are definitely worth every extra penny.

Sample Paragraph:

Organic grown tomatoes purchased at the farmers’ market are very different from tomatoes that are grown conventionally. To begin with, although tomatoes from both sources will mostly be red, the tomatoes at the farmers’ market are a brighter red than those at a grocery store. That doesn’t mean they are shinier—in fact, grocery store tomatoes are often shinier since they have been waxed. You are likely to see great size variation in tomatoes at the farmers’ market, with tomatoes ranging from only a couple of inches across to eight inches across. By contrast, the tomatoes in a grocery store will be fairly uniform in size. All the visual differences are interesting, but the most important difference is the taste. The farmers’ market tomatoes will be bursting with flavor from ripening on the vine in their own time. However, the grocery store tomatoes are often close to being flavorless. In conclusion, the differences in organic and conventionally grown tomatoes are obvious in color, size and taste.

Computer-Assisted Instruction (CAI): Types, Features, Uses, Advantages and Disadvantages

Computer-assisted instruction (CAI) is a form of education that uses computers and other digital technologies to deliver instructional content and provide feedback to students. It is designed to supplement or replace traditional classroom instruction and can be used for a wide range of subjects and grade levels. CAI is important because it allows for individualized instruction and can be tailored to a student’s specific learning needs. Additionally, it can provide immediate feedback, allowing students to quickly identify and correct mistakes. CAI can also be useful in providing multimedia learning experiences and providing access to educational resources that may not be available in traditional classroom settings. Overall, CAI can be an effective tool for improving student learning outcomes.

Here is a collection of essays detailing the definition, introduction, types, features, importance, uses, advantages and disadvantages of Computer-Assisted Instruction (CAI).

Table of Contents

What is Computer-Assisted Instruction (CAI)?

What’s CAI | Haque | 700 Words

Introduction

CAI has been used for decades in the education field, and has been shown to be an effective way to teach students of all ages and abilities. It is particularly useful for students who struggle with traditional classroom instruction, as it allows them to work at their own pace and provides them with instant feedback.

Definition of CAI

Computer-Assisted Instruction (CAI) is a form of education that utilizes computers and other technology to enhance the learning experience. It is an interactive method of teaching that allows students to learn at their own pace, with the computer providing feedback and guidance as needed.

Benefits of CAI

One of the main benefits of CAI is that it allows students to learn at their own pace. Students can go back and review material as needed, and can move on to new material when they feel ready. This eliminates the pressure that many students feel when they are forced to keep up with their classmates, and allows them to focus on the material that they need to learn.

Another benefit of CAI is that it provides immediate feedback to students. This allows them to quickly identify and correct mistakes, and helps them to understand the material more effectively. Additionally, many CAI programs include interactive activities and simulations that make learning more engaging and interactive.

CAI also allows for individualized instruction. The computer can assess a student’s understanding of the material and adjust the instruction accordingly. It can also keep track of the student’s progress, providing the teacher with valuable information about their performance.

Challenges of CAI

While CAI has many benefits, it is not without its challenges. One of the main challenges is that it requires students to have access to computers and internet access. This can be a problem for students from low-income families or in rural areas where access to technology is limited.

Another challenge is that CAI programs can be expensive to purchase and maintain. This can be a barrier for schools and educators who are working with limited budgets.

Finally, CAI can also be a challenge for teachers, who may need to be trained in how to use the technology and how to integrate it into their instruction.

CAI is an effective way to teach students of all ages and abilities. It allows students to learn at their own pace, provides immediate feedback, and allows for individualized instruction. However, it is not without its challenges, including the need for access to technology, the cost of the programs, and the need for teacher training. Despite these challenges, the benefits of CAI make it a valuable tool for educators to use in the classroom.

Related Post: Computer Essay & Paragraph

Types and Characteristics of Computer-Assisted Instruction (CAI)

Essay on CAI | Haque | 700 Words

Computer-assisted instruction (CAI) is a type of education technology that uses computers to deliver instructional materials and support learning. CAI can take many forms, including informational instruction, drill and practice, tutorials, educational games, simulations, problem-solving exercises, practical work-oriented instruction, and learning management systems. Each of these types of CAI has its own unique characteristics and advantages, and can be used in different ways to support learning.

Informational instruction

Informational instruction is a type of CAI that provides learners with access to information, such as text, images, and videos. This type of instruction can be used to present new information, reinforce existing knowledge, or provide background information for a topic. Informational instruction can also be used to support self-directed learning, as learners can access the information at their own pace and on their own schedule.

Drill and practice

Drill and practice is a type of CAI that focuses on repetition and practice to help learners master a skill or concept. This type of instruction can be used to reinforce learning, improve retention, and build fluency. Drill and practice can take many forms, including flashcards, multiple-choice questions, and matching exercises.

Tutorial type computer-assisted instruction

Tutorial type CAI is a type of instruction that provides learners with step-by-step guidance through a task or concept. This type of instruction can be used to introduce new skills or concepts, support problem-solving, or provide feedback on performance. Tutorials can be interactive, with learners receiving feedback and guidance as they work through the steps, or they can be more passive, with learners simply following along with the instructions.

Educational game type

Educational game type CAI is a type of instruction that uses game-based learning to support learning. Educational games can be used to teach a wide range of subjects, including math, science, and language arts. These games can be designed to be fun and engaging, which can help to motivate learners and improve their motivation to learn.

Simulation type of instruction

Simulation type CAI is a type of instruction that uses computer-based simulations to replicate real-world scenarios. These simulations can be used to teach a wide range of subjects, including science, technology, engineering, and math (STEM) subjects. Simulations can be interactive, with learners able to manipulate variables and explore different outcomes, or they can be more passive, with learners simply observing the simulation unfold.

Problem-solving type

Problem-solving type CAI is a type of instruction that focuses on teaching learners how to solve problems. This type of instruction can be used to teach problem-solving skills, such as critical thinking, reasoning, and decision-making. Problem-solving instruction can take many forms, including interactive simulations, case studies, and decision-making games.

Practical work oriented instruction

Practical work oriented instruction is a type of CAI that focuses on teaching learners how to perform real-world tasks. This type of instruction can be used to teach a wide range of skills, including technical skills, such as programming or web design, or practical skills, such as cooking or financial management. Practical work-oriented instruction can take many forms, including hands-on activities, virtual labs, and project-based learning.

Learning affairs managing type

Learning affairs managing type CAI is a type of instruction that focuses on managing the learning experience. This type of instruction can be used to support learning by providing learners with access to resources, tracking progress, and providing feedback. Learning management systems (LMS) are a type of learning affairs management system that can be used to support learning in an online or blended learning environment. LMSs can be used to deliver instructional materials, track learner progress, provide feedback, and facilitate communication and collaboration between learners and instructors.

Computer-assisted instruction (CAI) can take many forms, each with its own unique characteristics and advantages. Informational instruction provides learners with access to information, while drill and practice focuses on repetition and practice to help learners master a skill or concept. Tutorial type CAI provides step-by-step guidance, educational games use game-based learning to support learning, simulations replicate real-world scenarios, problem-solving type CAI focuses on teaching learners how to solve problems, practical work-oriented instruction teaches real-world tasks, and learning affairs managing type CAI focuses on managing the learning experience. These different types of CAI can be used in various ways to support learning and can be tailored to meet the specific needs of learners and educational contexts.

Computer-Assisted Instruction (CAI): Advantages and Disadvantages

Essay on CAI Pros & Cons | Haque | 450 Words

Computer-Assisted Instruction (CAI) is a form of instruction that uses computers to present educational material and support the learning process. This method of instruction has become increasingly popular in recent years, as technology has advanced and the use of computers has become more widespread. In this essay, we will discuss the advantages and disadvantages of CAI, including its effectiveness as a teaching tool, its impact on student engagement and motivation, and its potential drawbacks.

Advantages of CAI

Effectiveness as a Teaching Tool One of the main advantages of CAI is its effectiveness as a teaching tool. Computer-based instruction can be tailored to the individual needs of each student, allowing for a more personalized learning experience. Additionally, CAI can provide immediate feedback and allow for self-paced learning, which can improve students’ understanding and retention of the material. Additionally, multimedia elements such as videos, animations, and interactive simulations can make the learning experience more engaging and interactive, which can also lead to better understanding and retention of the material.

Engagement and Motivation Another advantage of CAI is its ability to increase student engagement and motivation. The interactive nature of computer-based instruction can make learning more enjoyable and engaging for students, which can lead to increased motivation to learn. Additionally, the immediate feedback provided by CAI can also increase students’ motivation by allowing them to see their progress and improvement in real-time.

Disadvantages of CAI

Dependency on Technology One of the main disadvantages of CAI is its dependency on technology. If the computer or internet connection is not working properly, the instruction may be disrupted, which can negatively impact the learning experience. Additionally, not all students have access to the technology needed for CAI, which can lead to an uneven distribution of educational opportunities.

Lack of Human Interaction Another disadvantage of CAI is the lack of human interaction. While computer-based instruction can be tailored to the individual needs of each student, it does not provide the same level of interaction and personalization as instruction from a live teacher. This can lead to a lack of emotional support and guidance for students, which can negatively impact their learning experience.

Computer-Assisted Instruction (CAI) is a form of instruction that uses computers to present educational material and support the learning process. While there are many advantages to CAI, such as its effectiveness as a teaching tool and its ability to increase student engagement and motivation, there are also several disadvantages, such as its dependency on technology and the lack of human interaction. Overall, it can be concluded that while CAI has many benefits, it should be used in conjunction with other forms of instruction to provide a well-rounded and effective learning experience.

An Essay on the Uses of Computer-Assisted Instruction (CAI)

Essay uses CAI | Haque | 450 Words

Computer-Assisted Instruction (CAI) is a method of teaching that uses computers to deliver educational materials and provide feedback to students. There are several ways in which CAI can be used to enhance the learning experience and improve student outcomes.

One major use of CAI is in the delivery of instructional materials. Computers can be used to present text, images, videos, and other multimedia elements in an interactive and engaging way. This can help to keep students engaged and motivated to learn, as well as make the material more accessible to different learners.

Another use of CAI is in providing feedback to students. Computers can be programmed to provide immediate and specific feedback on student performance, which can help to identify areas where students need additional support. This can be particularly beneficial for students who are struggling, as it can help to identify the specific areas where they need extra help and provide targeted instruction.

CAI can also be used to support self-directed learning. Many CAI programs include built-in assessments and activities that allow students to work through the material at their own pace. This can be particularly beneficial for students who learn best when they are able to work independently.

Finally, CAI can be used to support differentiated instruction. Computers can be programmed to adjust the level of difficulty of the material based on student performance, which can help to ensure that all students are challenged at the appropriate level. This can help to prevent students from becoming disengaged due to a lack of challenge or from being overwhelmed by material that is too difficult.

In fact, Computer-Assisted Instruction is a powerful tool that can be used to enhance the learning experience and improve student outcomes. From delivering instructional materials to providing feedback and supporting self-directed learning, CAI can be used in a variety of ways to support student success.

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Computer Science > Computation and Language

Title: data augmentation method utilizing template sentences for variable definition extraction.

Abstract: The extraction of variable definitions from scientific and technical papers is essential for understanding these documents. However, the characteristics of variable definitions, such as the length and the words that make up the definition, differ among fields, which leads to differences in the performance of existing extraction methods across fields. Although preparing training data specific to each field can improve the performance of the methods, it is costly to create high-quality training data. To address this challenge, this study proposes a new method that generates new definition sentences from template sentences and variable-definition pairs in the training data. The proposed method has been tested on papers about chemical processes, and the results show that the model trained with the definition sentences generated by the proposed method achieved a higher accuracy of 89.6%, surpassing existing models.

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We will discuss these basic characteristics of Computer Networks: Fault Tolerance, Scalability, Quality of Service (QoS), and Security. Now let us understand them one by one.

Computer networks are a system of interconnected computers and other devices that allow for the sharing of information and resources. They can range in size from a few connected devices in a small office to millions of devices spread out across the globe. Here are some of the basic characteristics of computer networks:

 1.   Connectivity: The primary purpose of a computer network is to enable devices to communicate with each other. Connectivity is established through a variety of wired and wireless technologies, such as Ethernet cables, Wi-Fi, and Bluetooth.

 2.  Scalability: Computer networks must be scalable to accommodate growth and changing needs. As the number of devices and users on the network increases, the network must be able to handle the additional traffic and data.

3.    Security: Computer networks are vulnerable to security threats such as hacking, viruses, and data breaches. Security measures such as               firewalls, encryption, and user authentication are essential to protect network resources and data.

 4.  Reliability: Computer networks must be reliable to ensure that data and resources are always available when needed. Redundancy and                  backup systems can help to ensure that the network remains operational in the event of a failure.

 5.  Performance: The performance of a computer network is determined by factors such as bandwidth, latency, and throughput. These factors             affect the speed and responsiveness of the network and can impact the user experience.

 6.  Standards and protocols: Computer networks rely on standards and protocols to ensure that devices can communicate with each other.                 Standards such as TCP/IP and Ethernet, and protocols such as HTTP and SMTP, are used to ensure interoperability between devices and             networks.

7.   Management and administration: Computer networks require ongoing management and administration to ensure that they continue to                 function properly. This includes tasks such as monitoring network performance, configuring devices, and troubleshooting issues.

 Computer networks are essential for enabling communication and resource sharing between devices and users. They must be scalable, secure, reliable, and performant, and rely on standards and protocols to ensure interoperability. Effective management and administration are also critical to ensuring the ongoing operation and maintenance of the network..

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