Question

name 20 input device​

Answer 1

20 input device​ are -

1. keyboard
2. joystick
3. mouse
4. light pen
5. track ball
6. scanner
7. graphite tablet
8. microphone
9. bar line reader
10. Camera
11. Magnetic Ink Character Reader (MICR)
12. Gamepad
13. touch screen
14. touch pad
15. Optical Mark Reader(OMR)
16. digital pen
17. Optical Character Reader(OCR)
18. webcam.
19. Audio conversino device
20. Biometrics (finger print reader)

An input device is any hardware device which helps in sending data to a computer, allowing one to interact with and control it.

Answer 2

Answer:

Input device send or manipulate the data to a processing system.

Explanation:

An input device is a device use to send or manipulate the data to a processing system.

Examples of input device​ are -

1. Keyboard
2. Mouse
3. Scanner
4. Camera
5. Joystick
6. Microphone
7. Webcam
8. Light pen
9. Track ball
10. Graphite tablet
11. Bar code reader
12. Magnetic Ink Character Reader (MICR)
13. Gamepad
14. Touch screen
15. Touch pad
16. Optical Mark Reader(OMR)
17. Optical Character Reader(OCR)
18. Remote control
19. Iris reader
20. Finger print reader