Which of the following computer hardware is used to display feedback of our actions?

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. Keyboard
  2. Mouse
  3. Monitor 
  4. Printer

Answer (Detailed Solution Below)

Option 3 : Monitor 
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Monitor:

  • computer monitor is an output device that displays information in a pictorial form. 
  • The monitor displays the computer's user interface and open programs, allowing the user to interact with the computer, typically using the keyboard and mouse.

​Keyboard:

  • A keyboard is an input device that contains many mechanical switches or push-buttons called "keys".
  • It allows us to enter letters, numbers, and other symbols (called characters) into a computer. 

​Mouse:

  • computer mouse is a handheld hardware input device that controls a cursor in a GUI(graphical user interface)
  • The mouse is used to move and select text, icons, files, and folders on our computer.

​Printer:

  • A printer is an output device that prints paper documents.
  • This includes text documents, images, or a combination of both.
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