Output Devices

1. Monitor


A Monitor (or "screen") is the most common form of output from a computer. It displays information in a similar way to that shown on a television screen.

On a typical computer the monitor may measure 17 inches (43 cm) across its display area. Larger monitors make working at a computer easier on the eyes. Of course the larger the screen, the higher its cost! Typical larger sizes are 19 inch, 20 inch and 21 inches.

Input Devices

1. Keyboard 


The keyboard is the most widely used input device and is used to enter data or commands to the computer. It has a set of alphabet keys, a set of digit keys, and various function keys and is divided into four main areas:


HTML Tags



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