ppp power point presentation 2
TRANSCRIPT
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Describing input devices.
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Tablet graphic.
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a graphics tablet is a peripheral that allows users to input graphics or drawings by hand, just as you would with pen and paper.
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Game controller.
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A game controller is a device used with games or entertainment systems to provide input to a video game, typically to control an object or character in the game.
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Scanner.
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A scanner is a peripheral computer that is used to convert, by using the light, printed images or documents to digital format.
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Mouse.
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The mouse is a pointing device used to facilitate the management of a graphical environment on a computer.
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keyboard.
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a keyboard is an input device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches that send information to the computer.
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Ligh pen.
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The stylus input device is a computer, taking the form of a photosensitive wand that can be used to point in a similar fashion to a touch screen but with higher positional accuracy.
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Trackball.
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A trackball pointing device is comprised of a stationary ball embedded in a receptacle that contains sensors that detect the rotation of the ball along two axes.
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microphone.
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The microphone is an electroacoustic translator. Its function is to translate the vibrations due to acoustic pressure exerted on the capsule by sound waves into electric energy.