Page 17 - Computer - 3
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Microphone
Microphone is an input device that is used to record sound in a computer
and give voice commands. It is also used for chatting online with other
people and making telephone calls through the computer.
Joystick Microphone
Joystick is an input device that is used to move the pointer on the
Desktop more precisely. It consists of a vertical stick which moves the
cursor in different directions, and a button to select options or open
programs. A joystick is mainly used to play computer games.
Joystick
Webcam
Webcam is an input device used to take still photographs
or record video on a computer. It is used for online
communication and video conferencing. Laptops have an in-
built webcam. Webcam
Scanner
Scanner is an input device that scans photographs and paper-based documents and
converts them into digital documents that can be saved in the computer. The output
of a scanner is a file that can be viewed on the monitor or printed on the printer.
A scanner can be flatbed, sheetfed, or handheld.
Flatbed scanner Sheetfed scanner Handheld scanner
Light Pen
Light pen is a pen-shaped device used to select objects
directly on a computer screen. It uses laser light to mark
the area pointed at on the screen. It can also be used to
draw on some types of light-sensitive computer screens. Light Pen
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