Question

Unswer with an example.
3. Explain the usage of input devices and output devices.
4. Every computer has a memory in the CPU. Why is an additional secondary
memory required?​

Answer 1

Answer:

An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. ... In the lower half of the image, the computer sends, or outputs, data to a printer, which will print the data onto a piece of paper, also considered output.