System is a word used to describe a collection of related components, which
interact as a whole. A motorway system, the education system or computer
systems are three varied examples. A large system is often made up of many
smaller systems, which in turn can each be made up of smaller systems and
so on. Figure 3.1 shows how this can be represented in a visual form. One
further denition: ‘A group of devices serving a common purpose’.
Using the systems approach helps to split extremely complex technical entities
into more manageable parts. It is important to ...
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