英语四级800字篇12

Nowadays no matter where you go, you will find computers being used.

For example, computers are used in universities, large corporations, and small offices.

It has even been used in the homes of ordinary people.

As it is able to store and process a large amount of information, the computer brings about great convenience and high efficiency to people of all walks of life.

Computers can help people in different ways.

For example, computer helps scientists in analyzing data and doing complex calculation.

Besides, computers are made use of by engineers in designing a plane, or a spaceship.

In addition, computers also play a great role in helping children with their lessons.

You will find that it is necessary for people to use computers.

However, the computer can never replace the human brain.

The computer must be designed and instructed by man.

And they need detailed instructions and programs prepared by humans to make decisions.