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9th Class Computer Science Notes in English-Chapter-3

9th Class Computer Science Notes in English-Chapter-3

  1. Write the use cursor control keys.
  2. Describe Mouse events/actions.
  3. Write the use of Microphone.
  4. What are differences between numeric keys and alphanumeric keys?
  5. Define Joystick.
  6. Differentiate Printer and Plotter.
  7. Write the working of Inkjet Printer
  8. Differentiate Delete and Esc keys.
  9. Write the use of track ball.
  10. Define Impact Printers.
  11. Define Pixel.
  12. What do you know about CRT monitors?
  13. What is the use of Input Unit?

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