Wednesday 25 November 2009

Computer


Computers are used daily by thousands of people all over the world.

They are machines that manipulates data according to a set of instructions. The first electrical computer were developed in the mid 20th century,they were the size of a large room using hundreds of units of power. Modern computers are now based on intergrrated circuits. Computers have the ability to store many different programmes. When a person uses a computer, they are telling it what to do with their actions.

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