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  • Keyboard
    • QWERTY Keyboard - Most common
    • Input  Device
    • Contains keys and numbers (ABC, 123)
    • Contains function keys - ESC, ALT, CTRL, SHIFT
    • Some keyboards have  extra keys such as the numeric keyboard
    • Engonomic keyboards - designed to reduce Repetitive Strain Injury (RSI). It is a differently shaped keyboard.
    • Mobile phones are smaller versions of the keyboard, called keypads.
    • Mobile phones also use multiple key presses to select letters as full sized keyboard would not be suitable (too big).


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