Essay on Computer

Students are often asked to write an essay on Computer in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on Computer


A computer is a device that performs tasks by following a set of instructions called programs. It can store, retrieve, and process data quickly and accurately.


A computer has two main parts: hardware and software. Hardware includes physical parts like the monitor, keyboard, and CPU. Software includes the programs that tell the hardware what to do.


Computers are used in many areas, like education, business, and entertainment. They help us to learn, communicate, and have fun.


In conclusion, computers are powerful tools that make our lives easier. They are a vital part of modern life.

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250 Words Essay on Computer


Computers, the revolutionary devices of the 21st century, have dramatically transformed the way we live, work, and communicate. They are no longer just tools for processing data, but have evolved into multi-functional machines that can perform a plethora of tasks with astonishing speed and accuracy.

Evolution and Impact

The evolution of computers from enormous, room-sized machines to compact, handheld devices is a testament to human ingenuity and technological advancements. Today, computers are integral to various sectors such as healthcare, education, business, and entertainment. They have revolutionized information processing, enabling rapid, accurate data analysis and decision-making.

Computers and the Internet

The advent of the Internet has exponentially increased the power and reach of computers. It has facilitated global connectivity, fostering new forms of communication and collaboration. From online education to telemedicine, the Internet has expanded the possibilities of what computers can do.

Artificial Intelligence

The latest frontier in computer science is artificial intelligence (AI). AI-powered computers can learn, adapt, and make decisions, opening up unprecedented possibilities. However, this also raises ethical and societal concerns, necessitating responsible use and regulation.


In conclusion, computers are transformative tools that have reshaped society. As they continue to evolve, they will undoubtedly unlock new potentials and challenges. As responsible users, it is incumbent upon us to harness their power for good while mitigating potential risks.

500 Words Essay on Computer

Introduction to Computers

The computer, a technological marvel, has transformed the way we live, work, and communicate. It’s a device that accepts information, processes it according to specific instructions, and provides the results as output. Computers have revolutionized every aspect of our life, from education to healthcare, business, and entertainment.

History of Computers

The concept of computers dates back to the invention of the abacus, a simple calculating tool. The evolution of computers, however, took a significant turn in the 19th century with Charles Babbage’s Analytical Engine, often referred to as the “first computer”. The 20th century witnessed the development of electronic computers, and the advent of microprocessors in the 1970s made personal computers accessible to the masses.

Components of a Computer

A computer comprises hardware and software. Hardware refers to the physical components such as the central processing unit (CPU), memory, and input/output devices. The CPU, often called the brain of the computer, performs all the calculations and processing. Software, on the other hand, includes the operating systems, applications, and programs that instruct the hardware to perform tasks.

Role of Computers in Modern Society

Computers play a crucial role in modern society. In education, they offer a vast array of resources for learning and enhance teaching methodologies. In healthcare, computers aid in diagnosing diseases, analyzing data, and managing patient records. Businesses leverage computers for data analysis, decision-making, and efficient operations.

The Internet and Computers

The advent of the internet has significantly amplified the capabilities of computers. It has transformed computers from standalone devices to interconnected systems, facilitating global communication and data exchange. The internet has also paved the way for cloud computing, allowing users to store and access data remotely, further enhancing the utility of computers.

Future of Computers

The future of computers is promising, with advancements in quantum computing, artificial intelligence, and machine learning. Quantum computing, with its potential to perform complex calculations at incredible speeds, could revolutionize various sectors, including cryptography and drug discovery. Meanwhile, the integration of AI and machine learning into computers is leading towards more intelligent, autonomous systems that can learn and adapt.


In conclusion, computers are an integral part of our lives, influencing nearly every sector. As we continue to innovate and push the boundaries of what computers can do, they will inevitably become even more embedded in our daily lives. Their potential is vast, and their future is exciting, promising a world of possibilities that we are only just beginning to explore.

That’s it! I hope the essay helped you.

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