Gce Model Questions Vol1 2019 Computer Studies Question 22

Practice objective / multiple choice question 22 from the 2019 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2019 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 22 GCE_MODEL_QUESTIONS_VOL1 • 2019 • COMPUTER_STUDIES • objective

An ASCII text file is 2.5 MB in size (1 MB = 1 048 576 bytes). The file contains 1 200 occurrences of the word "data" (4 letters) and 300 occurrences of the word "information" (11 letters). A compression scheme replaces each occurrence of "data" with a single 8‑bit token and each occurrence of "information" with a 16‑bit token; all other characters remain unchanged. Calculate (i) the size of the compressed file in megabytes (to three decimal places) and (ii) the percentage reduction in size (to two decimal places).

Answer Options

A. Compressed size ≈ 2.498 MB; reduction ≈ 0.12 %.
B. Compressed size ≈ 2.500 MB; reduction ≈ 0.00 %.
C. Compressed size ≈ 2.492 MB; reduction ≈ 0.31 %.
Correct Answer D. Compressed size ≈ 2.495 MB; reduction ≈ 0.24 %.
Correct Answer
D
Correct Option:
Compressed size ≈ 2.495 MB; reduction ≈ 0.24 %.

About This Question

This is Gce Model Questions Vol1 2019 Computer Studies Question 22. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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