The are two main classes of people who use computers. People who make use of software to perform an aspect of their job are known as ‘users’. These ‘users’ would make use of hardware and software without making major changes from the original configuration in order to perform their tasks.

For people who are employed for their IT/computing skills and are recognised as ‘experts’ then the term ‘practitioner’ is used. Practitioners come from a wide range of expertise and respond to users’ requirements. They help specify systems; design, test and build systems; develop and enhance existing systems; implement and manage systems; and liaise with and train the users.

In simplistic terms a person performing an administrative role ...

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