Gce Model Questions Vol1 2022 Computer Studies Question 4

Practice essay / theory question 4 from the 2022 Gce Model Questions Vol1 Computer Studies examination. This question covers Data vs information, Storage calculation, Simple data compression .

Gce Model Questions Vol1 2022 Computer Studies Essay / Theory

Topics: Data vs information Storage calculation Simple data compression

Question 4 GCE_MODEL_QUESTIONS_VOL1 • 2022 • COMPUTER_STUDIES • essay

The school maintains a digital database of its students' academic records.

Question Parts

( a )

Define the terms ‘data’ and ‘information’ and illustrate the difference with an example relevant to school record‑keeping.

( b )

Each student record stores the following fields: - Student ID (numeric, 8 digits) - Name (maximum 30 characters) - Date of birth (stored in 3 bytes) - Grades for six subjects (each grade stored as an integer 0–100, using 2 bytes) Assuming 1 character = 1 byte and the numeric ID occupies 4 bytes, calculate: (i) the minimum storage required for a single student record; (ii) the total storage needed for 1 500 student records. Express the final answer in kilobytes (1 KB = 1024 bytes).

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About This Question

This is Gce Model Questions Vol1 2022 Computer Studies Question 4. It is one of the essay questions from the 2022 Gce Model Questions Vol1 Computer Studies examination.

The question covers Data vs information, Storage calculation, Simple data compression .

View More Gce Model Questions Vol1 2022 Computer Studies Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

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