INTRODUCTION TO COMPUTERS

COMPUTER AND MAN

Computers are one of the greatest wonders created by man. It is a wonderful machine. But, it cannot work on its own. 

•  A computer can work very fast. It can perform large number of calculations in seconds. Man cannot work as fast as a computer.
•  A computer does not get tired. It can keep working for long hours. Man gets tired if he works for long hours.
•  A computer can remember lots of information in its memory. Man can forget things.
•  A computer does not make mistakes. It gives correct results. Man can make mistakes.
• A computer does not get bored of doing the same work many times. Man gets bored if he does the same work many times.
• A computer cannot think and does not have any feelings. Man can think and has feelings.
• A computer cannot take decisions. It works according to the instructions given by man. Man can take his own decisions.
• A computer runs on electricity. Man does not need electricity for doing work.