Question 35Asked in UGC NET Computer Science, December 2014 (Paper II & III, Selected Questions)

For switching from a CPU user mode to the supervisor mode following type of interrupt is most appropriate :

  1. AInternal interrupts
  2. BExternal interrupts
  3. CSoftware interrupts
  4. DNone of the above
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Correct answer: (C) Software interrupts

Explanation

Internal interrupts occur due to internal errors (like division by zero) and external interrupts come from hardware. Software interrupts are the most appropriate way to switch from user mode to supervisor (kernel) mode.

From UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions)

This is question 35 of UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.