Question

4 lines about computer

Answer 1

Computer is a very useful device.
Computers can be used by everyone.
There are so many types of computers .

Answer 2

4 lines about computer :
1.A computer can work very fast. It can perform large number of calculations in seconds.
2.A computer doesn't make mistakes. It gives correct results.
3.A computer cannot think and doesn't have any feelings.
4.A computer cannot take decisions. It works according to the instructions given by man.

U can also write :
5.A computer doesn't get bored of doing the same work many times.
6.A computer runs on electricity.
7.A computer can remember lots of informations in its memory.