What are Computer Peripherals?
“A peripheral or peripheral device is an auxiliary device used to put information into and get information out of a computer.” Wikipedia
Input vs Output Peripherals
“In computing, input/output is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it.”
-Wikipedia