Question

what is a computer? how is it a useful device​

Answer 1

HEYA MATE

HERE IS YOUR ANSWER

Computer is an electronic device.It is useful device for students for making projects and getting information of something.

Thankyou

HAVE A NICE DAY

Answer 2

Answer:

Computer is an electronic device, It is a multitasking device.

Explanation:

It is useful in many ways, you can do anything you want. Like you can manage your business, you can study in it and can play games. Some fields where computer are used is Airports, Hospitals, Schools, Cyber Department etc.

Hope it will help you.