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Input, Output and storage devices - Coggle Diagram
Input, Output and storage devices
Input Devices
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Graphics digitiser
A flat pad (the tablet) on which you draw with a special pen (stylus). As you draw on the pad the image is created on the screen.
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TouchScreen
A touch screen is the only device which works as both an input and output device. You view options available to you on the screen (output) and you then use your finger to touch the option. (Input)
Advantages
Easy to use - intuitive, dont need much training.
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Software can alter the screen while it is being used, making it more flexable than a concept keyboard which has a permanent overlay.
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Output Devices
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A device which can produce paper-based (hard copy) or screen based (soft copy) information as a result of data processing.
Printer
Laser
Uses a beam to write the image onto a light sensitive drum. The drum uses electrostatic s to attract toner to the image
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