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Q:

This part of the operating system restricts essential peripherals such as the keyboard, screen, disk, and parallel and serial ports

  • 1
    Basic Input / Output System
  • 2
    Secondary Input / Output System
  • 3
    Peripheral Input / Output System
  • 4
    Marginal Input / Output System
  • 5
    None of these
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Answer : 1. "Basic Input / Output System"

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