Home / Topic / Data compression
Topic Data compression
Asked 2 times across 2 UPSC exams over 2 years (2024–2026), peaking in 2024.
Key insights
- Most tested in CAPF — 1 of 2 PYQs
- Most asked in 2024
- Recurs across 2 years (2024–2026)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CAPF 2024 → 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
In MP3 compression scheme, 60 minutes of music can be stored in about :
- A 600 MB
- B 200 MB
- C 50 MB ✓
- D 10 MB
✓ Correct answer: (C)
Science & Technology › IT/Computing/Cyber
CAPF2024
Consider the following
- MPEG
- P*64
- Indeo
Which of the above can be used to compress video files?
- A 1 and 2 only
- B 1 and 3 only
- C 2 and 3 only
- D 1, 2 and 3 ✓
✓ Correct answer: (D)
Science & Technology › IT/Computing/Cyber
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →