Keyboard and Mouse The keyboard has dozens of buttons. The standard keyboard
has 105 keys. Some keyboards have more and some have fewer.
One day talking to the computer will be is as easy as
talking to a person. For now the keyboard is the main way to
communicate with a computer. The main reason the computer has a mouse is to tell it
what item you're talking about. The mouse tells the computer
what item the user has in mind. A game for mouse practice.
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(Teacher install).