Input Output devices

What is an Output and an Input device ? Give two examples of each.

answer:

Input
Introduction of data from an external storage medum into a computer’s internal storage- unit.
Example:
(I) Key Board: Input device used to key programs and data into the computer’s storage.
(ii)’Mouse: Device for moving a cursor or other object arround on the display screen.

Output:
Data transferred from a computer’s internal stdrage unit to some storage or output device.
Example:
(i) Monitor: Visual Display Unit.
(ii) Printer: Output device that produces hard copy output.