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Question 159Asked in DSSSB TGT Computer Science, 25 Jun 2023, Shift 3 (4:30 PM)

What is virtual memory in an operating system?

  1. AA type of memory that provides a secure storage area for data that is larger than the physical memory of a computer
  2. BA type of memory that provides a storage area for data that is the same size as the physical memory of a computer
  3. CA type of memory that provides a temporarily storage area for data that is larger than the physical memory of a computer
  4. DA type of memory that provides a permanent storage area for data that is larger than the physical memory of a computer
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Correct answer: (C) A type of memory that provides a temporarily storage area for data that is larger than the physical memory of a computer

Explanation

Virtual memory uses disk space as a temporary extension of RAM. This lets programs larger than physical memory run, with pages swapped in and out as needed.

From DSSSB TGT Computer Science PYQ, 25 Jun 2023, Shift 3 (4:30 PM)

This is question 159 of DSSSB TGT Computer Science PYQ, 25 Jun 2023, Shift 3 (4:30 PM). 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.