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Question 55Asked in DSSSB TGT Computer Science (Technical), 1 Aug 2021, Shift 1

Inner most layer of operating system which is always present in main memory is known as ________.

  1. AHardware
  2. BUser interface
  3. CApplication program
  4. DKernel
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Correct answer: (D) Kernel

Explanation

The kernel is the core of the OS that stays resident in main memory and directly manages CPU, memory and devices.

From DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 1

This is question 55 of DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 1. 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.