What is input?
To accept information and commands into the system.
Input devices
Keyboard; mouse; sensors; touch screen; microphone; scanner; digital camera; etc.
What is output?
To transfer information out of the system.
Output devices
Printers; speakers; force feedback devices; actuators; screens; projectors; etc.
What is storage?
To hold information when the hardware device or system is turned off.
Storage Devices
Solid state drive; optical media (DVDs and magnetic media like hard disks).
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