Using a personal computer

The five advantages of using a computer are :

1) It can help me with my homework.
2) I can play games on the computer.
3) I can write messages and share information with friends.
4) I can buy things on the internet.
5) I can travel on the computer.

The three disadvantages of using a computer are :

1) Someone can hack the computer and damage all the information.
2) A computer is too expensive.
3) It can damage our eyesight.