Input Devices

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Input Devices

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Devices that enable data to be sent or entered into a computer system.

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Keyboard

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Used to enter textual data and instructions into a computer by pressing various labelled keys.

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Mouse

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A handheld device that controls an onscreen pointer, allowing the user to make selections and move items.

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Trackpoint

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A small knob-shaped device used to control the pointer, found between keys on a keyboard.

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Touchpad

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A flat device that senses points on its surface, allowing control of a screen pointer by gliding fingers.

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Trackball

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An inverted mouse with a ball facing upwards, controlled by rotating the ball with fingers or palm.

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Joystick

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A device that allows control of the screen pointer by manipulating an upright rod, commonly used in video games.

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Light Pen

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A handheld input device used to select objects on a display screen by pointing at it.

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Scanner

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Converts paper-based images or documents into a digital format for manipulation using a computer.

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Graphics Tablet

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Allows users to draw on a flat pad using a stylus or special pen, with some models displaying drawings on the tablet.