Question

4. Differentiate input and output unit.​

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. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.

Explanation:

Answer 2

Answer:

INPUT DEVICE  

1)It is directly commanded by user.

2)It takes the data from the user and sends it to the processor for execution.

3)It helps the computer is accepting the data.

4)Ex: Keyboard, Image Scanner, Microphone, Pointing device, Graphics tablet, Joystick.

OUTPUT DEVICE

1)It is commanded by processor.

2)It takes the processed data from the processor and sends it back to the user.

3)It helps the computer is displaying the data.

4)Ex: Monitor, Printers, Plotters, Projector, Speakers.

Explanation: