COMPUTER SYSTEMS
input,output,storage process
Input
Any information that's put on a computer or sent to the computer to be processed is Input, input is most often sent to the computer using an input device such as a keyboard.
output
An output device that is an equipment connected to a computer and used to move data out of the computer such as: images, sounds, or other media. Common output formats are printed paper, sound, video and on-screen documents. They let the computer communicate with the user.