Computer

A computer is an electronic device that stores, processes and outputs information by following sets of instructions called programs.

How it works

A computer takes input, processes it using a central processing unit (CPU) built from semiconductor chips, stores data in memory, and produces output on a screen or other device.

Types

Computers range from powerful servers and desktop machines to laptops, tablets and the tiny processors inside everyday appliances.

Impact

Computers are central to modern work, communication, science and entertainment.

Frequently asked questions

What is a computer?

An electronic machine that processes data using programs.

What is the brain of a computer?

The central processing unit, or CPU.