3. Pointing Devices

A pointing device is any human interface device that allows a user to input spatial data to a computer.

5. Computer Monitor

A computer monitor is an output device that displays information in pictorial or text form.

6. Input Devices

Input Devices. In computing, an input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance.

8. Keyboard

A keyboard layout is example of human interface,any specific physical, visual or functional arrangement of the keys, ... On Macintosh computers these keys are usually just represented by symbols .

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