1.

Which of the following is NOT a input device for a computer?1. Scanner2. Light Pen3. Plotter4. Magnetic Ink Character Reader (MICR)

Answer» Correct Answer - Option 3 : Plotter

Explanation:

List IList II
a. Input
  • An input device is a hardware device used to provide data and control signals to an information processing system such as a computer or information appliance.
  • Examples of input devices are mouse, keyboard, joystick, scanner, camera, etc.
b. Output
  • An output device is any hardware device used to convert information into a human-readable format. 
  • It can be text, audio, video, graphics, and tactile.
  • Examples of output devices are monitor, printer, speaker, plotter, etc.
c. Memory
  • Memory is used to store data and instructions on a temporary or permanent basis.
  • Computer memory is a storage space in a computer where data is processed and instructions required for the processing of data is stored.
d. Processor
  • The processor also called as Central Processing Unit (CPU) provides instructions and processing power the computer needs to complete its task.
  • It enables the computer to interact with all of the applications and programs installed.

Therefore, a joystick is an input type of device.



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