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Topic Computer memory
Asked 2 times across 2 UPSC exams over 6 years (2020–2026), peaking in 2026.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2026
- Recurs across 2 years (2020–2026)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2020 → CDS 2026
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2026
Which one of the following is not a characteristic of flash memory ?
- A It is an ultraviolet erasable programmable ROM. ✓
- B It is an electrically erasable programmable ROM.
- C It retains data without power.
- D It is a non-volatile memory.
✓ Correct answer: (A)
Science & Technology › IT/Computing/Cyber
EPFO2020
Which one of the following memories is extremely fast and acts as a high-speed buffer between the CPU and the main memory ?
- A RAM
- B ROM
- C Flash Memory
- D Cache Memory ✓
✓ Correct answer: (D)
Computer Science & IT › Programming & Languages
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