Which of the following device is a hard copy device?

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Rajasthan Police Constable (Held On: 13 May 2022 Shift 2)
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  1. Inkjet Printers and LCD Monitors
  2. LCD Monitor and LCD Projector
  3. Daisy Wheel Printer and LED Monitor
  4. Bubblejet Printer and Laser Printer

Answer (Detailed Solution Below)

Option 4 : Bubblejet Printer and Laser Printer
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Detailed Solution

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The correct answer is Bubblejet Printer and Laser Printer.

Key Points

  • Bubblejet Printer and Laser Printer:
    • Hardcopy output devices are devices that provide output on printed paper in a human readable format.
    • Both printers are hard copy output devices because they provide output on printed paper.

Additional Information

  • LCD Monitor and LCD Projector:
    • They are not hard copy output devices because they do not provide output on printed paper.
  • Daisy Wheel Printer and LED Monitor:
    • Daisy Wheel printers are hard copy devices, but LED monitors are not hard copy devices.
  • Inkjet Printers and LCD Monitors:
    • Inkjet printers are hard copy devices, but LCD monitors are not hard copy devices.
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