Fundamentals of computer systems

A computer system at it's very basic consists of an input, a processor and an output. It usually has some storage capability and a way of communicating with other devices (mostly in modern computer systems).

Examples include:

Running washing machines

On-board computers in cars

Cashless catering systems

Self service checkouts

Contactless card payment systems

When creating and maintaining computer systems you need to use the same professional standards.

Legal: (Data protection act 1998) provides protection for all info stored on a computer. It requires the owner of the computer system to store their information securely and use it only for the purpose of why it was gathered e.g. the…