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Scanning Devices

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3. Scanning Devices

-These are devices that capture data directly into the computer.-They can also be defined as devices that use a magnetic or photo-electric source to scan and convert images into electric signals that can be processed by an electronic apparatus, such as a computer.

Pointing devices

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Download free latest unlimited KCSE revision papers @ www.manyamfranchise.com - Author: Atika M. Nyamoti
2. Pointing Devices
these are devices used to control the pointer/cursor on the screen. Examples: mouse, joystick, trackball, light pen etc
The Mousethere are different types of mice namely: ps/2, optical, wireless/cordless etc