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An input device is something you put in a computer.

E.g.

QWERTY keyboard: when you press a key, a number code is sent to the computer to tell it what key
you pressed.

Concept keyboard: a flat board that has a grid of switches. Each switch is programmed to do…

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Direct Data Entry Devices (DDE):
Inputting large amounts of stuff directly into the computer.

Bar codes: made of a lot of bars different sizes which represent different numbers. They are read
into a computer using a fixed scanner.

Magnetic strips: can store 60 characters of info stored magnetically. They are…

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