... in a suitable form. In most cases these will be in hard copy (print out) or on a screen. Here are the main output devices used today *Central Processing Unit The Central Processing Unit (CPU) often knows as the processing Unit. The CPU turns the raw data to information. The central processing unit works in a very complicated way. The three main element of a CPU are: The control unit The arithmetic and logic unit The immediate access unit The CPU is also thought to be the `brain' of the computer. *Visual Display Unit The Visual Display Unit (VDU) (or the monitor as it is also known) is taken for granted. They are ideal for shoeing the results from enquires where no print out is needed. *Printer- -Laser -Ink-jet -Dot matrix *Voice output *Keyboard The Keyboard is the oldest and most familiar of all the input devices. They contain their own chips. Each key acts as a switch, which closes when ...

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