CDS 2026 (I) General Knowledge, question 32

Topic: Science and technology

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Q32

Which one of the following is not a characteristic of flash memory ?

  1. (a) It is an ultraviolet erasable programmable ROM.Correct answer
  2. (b) It is an electrically erasable programmable ROM.
  3. (c) It retains data without power.
  4. (d) It is a non-volatile memory.

Solution.

Answer: (a) It is an ultraviolet erasable programmable ROM.

  1. Flash memory is electrically erasable and non-volatile.
  2. Ultraviolet erasure characterises UV-EPROM, not flash memory.
  3. Distinguish the erasure mechanism from the ability to retain data without power.