Essay on Computer

500+ Words Essay on Computer

A computer is an electronic device that performs complex calculations. It is a wonderful product of modern technology. Nowadays, computers have become a significant part of our life. Whether it is in the sector of education or health, computers are used everywhere. Our progress is entirely dependent on computers powered by the latest technology. This ‘Essay on Computer’ also covers the history of computers as well as their uses in different sectors. By going through the ‘Computer’ Essay in English, students will get an idea of writing a good Essay on Computers. After practising this essay, they will be able to write essays on other topics related to computers, such as the ‘Uses of Computer’ Essay.

Essay on Computer

The invention of the computer has made our lives easier. The device is used for many purposes, such as securing information, messages, data processing, software programming, calculations, etc. A desktop computer has a CPU, UPS, monitor, keyboard, and mouse to work. A laptop is a modern form of computer in which all the components are inbuilt into a single device. Earlier, computers were not so fast and powerful. After thorough and meticulous research and work by various scientists, modern-day computers have come up.

History of Computers

The history of computer development is often used to reference the different generations of computing devices. Each generation of computers is characterised by a major technological development that fundamentally changed the way computers work. Most of the major developments from the 1940s to the present day have resulted in increasingly smaller, more powerful, faster, cheaper and more efficient computing devices.

The evolution of computer technology is often divided into five generations. These five generations of computers are as follows:

Uses of Computers

Computers are used in various fields. Some of the applications are

1. Business

A computer can perform a high-speed calculation more efficiently and accurately, due to which it is used in all business organisations. In business, computers are used for:

• Payroll calculations
• Budgeting
• Sales analysis
• Maintenance of stocks
• Managing employee databases

2. Education

Computers are very useful in the education system. Especially now, during the COVID time, online education has become the need of the hour. There are miscellaneous ways through which an institution can use computers to educate students.

3. Health Care

Computers have become an important part of hospitals, labs and dispensaries. They are used for the scanning and diagnosis of different diseases. Computerised machines do scans, which include ECG, EEG, ultrasound and CT Scan, etc. Moreover, they are used in hospitals to keep records of patients and medicines.

4. Defence

Computers are largely used in defence. The military employs computerised control systems, modern tanks, missiles, weapons, etc. It uses computers for communication, operation and planning, smart weapons, etc.

5. Government

Computers play an important role in government services. Some major fields are:

• Computation of male/female ratio
• Computerisation of PAN card
• Income Tax Department
• Budgets
• Weather forecasting
• Computerisation of voters’ lists
• Sales Tax Department

6. Communication

Communication is a way to convey an idea, a message, a picture, a speech or any form of text, audio or video clip. Computers are capable of doing so. Through computers, we can send an email, chat with each other, do video conferencing, etc.

7. Banking

Nowadays, to a large extent, banking is dependent on computers. Banks provide an online accounting facility, which includes checking current balances, making deposits and overdrafts, checking interest charges, shares, trustee records, etc. The ATM machines, which are fully automated, use computers, making it easier for customers to deal with banking transactions.

8. Marketing

In marketing, computers are mainly used for advertising and home shopping.

Similarly, there are various other applications of computers in other fields, such as insurance, engineering, design, etc.

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