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Computer Basics MCQs – Practice Test 25 (Chapter 14)

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Operating Systems MCQs – Practice Test 25 PDF Download

MCQ 121: When a command is not available for selection until certain other conditions are met, it is called:

  1. dimmed command
  2. unavailable command
  3. dialog box
  4. cascade

MCQ 122: External commands in DOS are:

  1. copy, edit, sys, format
  2. edit, sys, chkdsk
  3. chkdsk, prompt, date
  4. sys, ver, vol

MCQ 123: In real time operating system:

  1. all processes have the same priority
  2. a task must be serviced by its deadline period
  3. process scheduling can be done only once
  4. kernel is not required

MCQ 124: To place a sound into a Word document, which feature of a window would you use?

  1. OLE
  2. clipboard
  3. paste
  4. task switching

MCQ 125: Which one of the following is not a real time operating system?

  1. VxWorks
  2. Windows CE
  3. RT Linux
  4. Palm OS

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