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Computers exist in many digital devices that we use on a day-to-day basis. Digital devices may be input, output or storage devices. On a basic level, they all operate through the use of logic gates.

Software is the programs that are run on computer hardware. There are two different types of software: systems software and applications software.

Learn about what the central processing unit is, its three main components, the factors that influence the CPU’s speed, and the fetch-execute cycle.

The two main types of network are wide area networks and local area networks. Learn what these are, and the benefits and problems of using them.