Gce Model Questions Vol1 2017 Computer Studies Question 2

Practice objective / multiple choice question 2 from the 2017 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2017 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 2 GCE_MODEL_QUESTIONS_VOL1 • 2017 • COMPUTER_STUDIES • objective

A \(12\text{ MB}\) file is first compressed using a loss‑less algorithm that reduces its size by \(35\%\). The compressed file is then encrypted with a block cipher that adds a \(16\text{‑byte}\) header to each \(4\text{ KB}\) block. The file system stores data in blocks of \(4\text{ KB}\). Calculate (a) the total number of disk blocks required to store the encrypted file, and (b) the total amount of wasted space (in bytes) due to block padding.

Answer Options

A. 2000 blocks; Wasted space: 1600 bytes
B. 1998 blocks; Wasted space: 1024 bytes
Correct Answer C. 2005 blocks; Wasted space: 1635 bytes
D. 2010 blocks; Wasted space: 2048 bytes
Correct Answer
C
Correct Option:
2005 blocks; Wasted space: 1635 bytes

About This Question

This is Gce Model Questions Vol1 2017 Computer Studies Question 2. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support