C500U10-1 (2024) COMPUTER SCIENCE – Component 1 Understanding Computer Science

PMT




Centre Candidate
Surname
Number Number
First name(s) 0


GCSE
S23-C500U10-1
C500U10-1

FRIDAY, 19 MAY 2024 – AFTERNOON

COMPUTER SCIENCE – Component 1
Understanding Computer Science
1 hour 45 minutes
For Examiner’s use only
Maximum Mark
Question
Mark Awarded
1. 3




C 5 0 0 U101
2. 8




01
3. 4
4. 5
5. 6
6. 9
7. 7
INSTRUCTIONS TO CANDIDATES
8. 8
Use black ink or black ball-point pen.
Do not use gel pen or correction fluid. 9. 7
Write your name, centre number and candidate 10. 8
number in the spaces at the top of this page.
Answer all questions. 11. 10
Write your answers in the spaces provided in this booklet. 12. 6
If you run out of space, use the additional page(s) at the
back of the booklet, taking care to number the question(s) 13. 10
correctly. 14. 9
Total 100
INFORMATION FOR CANDIDATES
The number of marks is given in brackets at the end of each question or part-question.
You are reminded of the need for good English and orderly, clear presentation in your answers.
The use of calculators is not permitted in this examination.
The total number of marks is 100.
Some questions will require you to draw on knowledge from multiple areas of your course of study.



JUN24 C500U10101 © WJEC CBAC Ltd. BE/DJ*(S23-C500U10-1)

, PMT




2




BLANK PAGE

PLEASE DO NOT WRITE
ON THIS PAGE




02 © WJEC CBAC Ltd. (C500U10-1)

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3
Examiner
only
Answer all questions.


1. (a) State the name given to a collection of 4-bits. [1]




(b) Arrange the following data storage requirements in order.

(i) Smallest to largest. [1]


2050 B 0.5 GB 2 KB 532 MB




(ii) Largest to smallest. [1]


0.01 TB 2 000 000 bits 0.26 MB 0.1 PB




C 5 0 0 U101
03




03 © WJEC CBAC Ltd. (C500U10-1) Turn over.