Above all, they have revolutionized the whole world.
It is very difficult to find the exact origin 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. While scientific research has helped us to locate resources and various other useful resources from the earth.
Also, the computers have twin-faces on one side it’s a boon and on the other side, it’s a bane. 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. A.1 A computer is an electronic device or machine that makes our work easier. Q.2 Mention various fields where computers are used?Also, their usage has increased much fold during the last decade.Nowadays, they use the computer in every office whether private or government.But according to some experts computer exists at the time of world war-II.Also, at that time they were used for keeping data.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.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.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.