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1what is a computer system?A system of interconnected computers that share a central storage system and various peripheral devices such as a printers, scanners, or routers. Each computer connected to the system can operate independently, but has the ability to communicate with other external devices and computers.
2what is the difference between input and output?An input device is simply something that is used to interact with, or provide data to, the computer, as opposed to an output device that displays data for the user. Everyone that has used a computer has also used an input device, such as a keyboard or mouse.
3give example of both input and output devices.