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Question 61Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

What indicates that an EPROM chip has been erased?

  1. AAll bits are set to 0
  2. BThe chip stops functioning
  3. CA specific flag is raised
  4. DAll bits are set to 1
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Correct answer: (D) All bits are set to 1

Explanation

Erasing an EPROM with UV light sets every bit to 1 (all cells read FF). Programming then writes 0s where they are needed.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 61 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 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.