Answer:

1.An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.

2.input device

Keyboard and Mouse - Accepts input from a user and sends that data (input) to the computer. They cannot accept or reproduce information (output) from the computer.

Output device

Projector - Receives data from a computer (output) and displays, or projects, that information as text and images onto a surface, like a wall or screen. It cannot accept data from a user and send that data to another device

Explanation:

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