Input
Output
Processing
Storage
Communications
100
A device with two buttons and a scroll button
What is a mouse
200
A device which contains alphanumeric keys, function keys, and a 10-key pad.
What is a keyboard
300
A device usually used for gaming.
What is a joystick?
400
A device which appears to be an upside down mouse.
What is a trackball?
500
This device can be both input and output, but is an input device when data is received into the device as analog waves.
What is a modem
M
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