A keyboard is a device designed to enter information from a user into a computer. The modern keyboard consists of 104 keys reinforced in a single case (Fig. 10). The keyboard keys are divided into six groups:
Alphanumeric.
Special.
Cursor controls.
Functional.
Auxiliary.
Additional.
Mouse – manipulator for entering information into the computer (Fig. 11).It is necessary to work with graphics packages, drawings, when developing diagrams and when working in new operating systems. It is also desirable […]
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