Gce Model Questions Vol1 2025 Computer Studies Question 14

Practice objective / multiple choice question 14 from the 2025 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2025 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 14 GCE_MODEL_QUESTIONS_VOL1 • 2025 • COMPUTER_STUDIES • objective

A text file contains \(100{,}000\) characters, each drawn from an alphabet of 64 symbols. Using Huffman coding the average code length achieved is \(5.2\) bits per symbol.\n(a) What is the compression ratio compared with a fixed‑length 6‑bit encoding?\n(b) What percentage reduction in file size does this represent?\n(c) Does the compression meet a target of at least a 12% reduction?

Answer Options

A. Compression ratio ≈ 1.05; reduction ≈ -5.0%; target not met.
B. Compression ratio ≈ 0.80; reduction ≈ 20.0%; target met.
C. Compression ratio ≈ 0.92; reduction ≈ 8.0%; target not met.
Correct Answer D. Compression ratio ≈ 0.87; reduction ≈ 13.3%; target met.
Correct Answer
D
Correct Option:
Compression ratio ≈ 0.87; reduction ≈ 13.3%; target met.

About This Question

This is Gce Model Questions Vol1 2025 Computer Studies Question 14. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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