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2. A computer system

A computer system takes a set of digital inputs, processes them and creates a set of outputs. This is done by a combination of hardware and software.

In other words, you put some data into a computer (input), something happens to that data (processing) and then the computer puts out a result (output).

In order to do this, the computer needs instructions to tell it what to do. The instructions are provided by a program

The diagram below shows you the idea of a computer system in its most basic form

computer system

A laptop or desktop computer are examples of computer systems.

Smart phones would also be another example as they have input, output and secondary storage devices.

 

Challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: stored program computer