Short Essay on Computers and their importance for all fields


Computers have changed the way we live and work for centuries now, and they have become an inseparable part of our lives and will continue to do so as time goes on. In this essay, we will explore the role computers play in our lives and their importance to society.

A History of Computers

Computers have played an essential role in human history. Initially, they were used for simple mathematical and scientific calculations. However, as technology matured, computers began to play a more prominent role in business and other fields. They have revolutionized communication, transportation, entertainment, and education. In short, computers have had a significant impact on society and the economy.

Common Components of Computers

Computers come with a variety of components that are essential for their functioning. This article will discuss the most common components of a computer and how they contribute to its overall performance.

The central processing unit (CPU) is the brain of the computer, and it is responsible for carrying out all of the commands entered into it by the user. A good CPU will have plenty of processing power and be able to handle multiple tasks simultaneously.

The memory is where information is stored. The more memory a computer has, the more data it can store in short order. A computer’s memory is usually divided into primary and secondary. The primary memory is where programs are initially loaded and executed, while the secondary memory is used for data storage.

The graphics processor unit (GPU) helps create images onscreen by performing calculations quickly. This makes graphics-heavy applications run much smoother on computers with GPUs, such as gaming systems and laptop computers.

Storage devices are necessary because they allow files to be saved and retrieved easily. Hard drives, for example, can hold large amounts of data, while optical drives can read and write CDs and DVDs.

Networking is another key component of a computer. Networks enable devices to communicate with each other, and they are essential for sharing files and data. Wireless networks are a common type of network, as are networks that use cables to connect computers together.

Input devices allow the user to interact with the computer in various ways. This can include keyboards and mice, as well as touch screens.

Output devices send information back to the user. This can include monitors and speakers, which are important for displaying information and listening to music.

Types of Computers

Computers come in many different shapes and sizes, and they can be desktops, laptops, or even tablet computers. There are also particular types of computers that have been made just for one specific purpose, such as research and development. This article will outline the different types of computers and their goals.

Desktop Computers: Desktop computers are the most common type of computer. They are usually large and heavy and take up a lot of space. They are perfect for people who want to use their computer at home.

Laptop Computers: Laptop computers are smaller and lighter than desktop computers. They are perfect for people who want to use their laptops on the go, and they can be easily carried around and used anywhere there is a power outlet.

Tablet Computers: Tablet computers are a special type of computer that combines the features of a laptop and a desktop computer. They are perfect for people who want the convenience of a computer but the size and weight of a desktop computer.

Research and Development Computers: Research and development computers are specifically designed for research purposes. They usually have more powerful processors than regular desktop or laptop computers, making them perfect for tasks such as editing videos or designing complex software programs.

Working of a Computer


A computer is a device that helps us to store, process and communicate information. It has different components such as a processor, memory, input devices and output devices. A computer’s primary purpose is to help us carry out tasks that we need to do every day. Computers are crucial in our lives, and we cannot imagine our lives without them.

Computers have been around since the early 1950s, and they were first used in research laboratories and military establishments. In 1964, Nam June Paik discovered the first computer art, later called video art. Computers have become an essential part of our lives, and they have changed a lot since then.

Today, computers are used for various tasks, including working, playing games, surfing the internet, writing emails, etc. Computers are also used in businesses to manage their operations and make financial transactions. They are also used in scientific research laboratories to study different aspects of the world around us.

There are many different types of computers available on the market today. Some of the most popular types of computers include desktops, laptops, tablets and smartphones. All these devices have their own advantages and disadvantages. For example, desktops are suitable for general uses such as working, gaming, and surfing the internet. Laptops are good for travelling because they can easily be carried around. Tablets are suitable for reading books, browsing the internet, and watching movies, and smartphones are good for making calls and using apps.

Uses of Computer in Various Fields

The computer has many uses in different fields, and it can be used in business, education, healthcare, entertainment, and so many more. Computers help us to stay organized, keep track of our work schedules, and communicate with others. They have also made it possible for us to learn new things more easily. There are many benefits to using computers in our everyday lives, and we should take advantage of them as much as possible!

Science: Computers are essential in scientific research, and they allow scientists to store and access large amounts of data and share information with each other. Computers have also allowed scientists to develop new methods for conducting research and to reach more people with their discoveries.

Business: Computer use has revolutionized the business world. Businesses can now keep track of their finances, customer data, and employee records in a way that was never possible before. They can also use computers to create and manage marketing campaigns, design websites, and much more.

Education: Computer use is increasingly becoming a part of the education system. Students can now access resources online that were once only available in physical classrooms. They can also use computers to improve their literacy skills, learn new math concepts, and much more.


Healthcare: Computer use is essential in the healthcare field. Doctors and nurses can now gather information about patients’ medical histories quickly and easily, and they can also chart patients’ progress over time using computer charts and graphs. Computer technology has even allowed hospitals to create virtual patient rooms that enable patients to interact with doctors from anywhere in the world.

Banking: Computer use has revolutionized the banking industry as well. Banks can now keep track of their finances in a way that was never possible before. They can also use computers to create and manage marketing campaigns, design websites, and much more.

Benefits of Computers

A computer has become a necessity for most people. They are used for communication, writing, studying, and more. They have revolutionized the way we live and work. Here are some of the benefits of computers:

-They have made communication easier. With computers, people can communicate with each other anywhere in the world.

-They have made it possible to study more. With computers, people can access information from anywhere.

-They have made it easier to write letters and essays, and computers make it easy to type and save your essays.

-They have allowed businesses to be run more efficiently. With computers, businesses can keep track of their finances and manage their operations more efficiently.

Fun Facts About Computers

Computers have come a long way as calculators and word processors since their early days. The first computer, the ENIAC, was created in 1945 and was only five feet wide and two feet high! Today’s computers are much more powerful and efficient. Here are some fun facts about computers:

-There are over one billion active devices connected to the internet. 

-A computer can be divided into three parts: the processor (the brain of the computer), the memory (where data is stored), and the input/output (or I/O) devices (like keyboards and screens). 

-The first computer program was written on a machine called the UNIVAC I in 1951. 

-The first personal computer, the Apple II, was released in 1977.

Threats from a Computer

The computer is one of the essential tools we use in our lives. It can help us in many ways, from communicating with people to doing our work. However, like any other tool, it can also be used for evil purposes. Threats come from computers in many different forms, such as viruses, data theft, and online scams.

One of the most common threats is viruses. Viruses are small pieces of software that can damage your computer or steal your information. They can be spread through email, file sharing, and social media sites. Sometimes they are disguised as harmless files or programs, so you may not even know you’re infected until it’s too late.

Data theft is another common threat. Someone who wants your personal information (like your credit card number) can steal it from your computer or online account. They could also get it by breaking into your home or office and stealing something like your laptop or tablet.

Online scams are also a big danger on the internet. These scams involve people pretending to be from big companies like Amazon or PayPal, asking you to do something illegal (like buy a fake product) or join a fake club or program. Once you enter your information or give your money, the scammers can steal it or use it to hurt you in other ways.

The best way to stay safe online is to be aware of the different threats and how to protect yourself. Stay up-to-date on the latest security updates for your computer and install antivirus software whenever you can. You can also use passwords that are hard to guess but still easy to remember. Keep your software up-to-date, and don’t share personal information online unless you trust the person or company with it.


Computers have become an indispensable part of almost everyone’s life. Computers play a significant role in our everyday lives, from managing your finances to keeping in touch with family and friends. In recent years, however, computers have also become essential tools for students who are studying for exams and professionals who need to stay up-to-date with the latest developments in their field. Given the importance of computers in our society, it is clear that they will continue to play a major role in our future.

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