Exam (elaborations)
GCSE AQA MAY 2024 COMPUTER SCIENCE PAPER 1 - VB.NET
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This is the GCSE AQA 2024 Computer Science Paper 1 - Computational thinking and programming skills - VB.NET, Actual Exam Paper.
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Please write clearly in block capitals.Centre number Candidate number
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I declare this is my own work.
GCSE
COMPUTER SCIENCE
Paper 1 Computational thinking and programming skills – VB.NET
Friday 19 May 2023 Afternoon Time allowed: 2 hours
Materials
• There are no additional materials required for this paper. For Examiner’s Use
• You must not use a calculator.
Question Mark
Instructions 1
• Use black ink or black ball-point pen. Use pencil only for drawing.
2–3
• Answer all questions.
• You must answer the questions in the spaces provided. 4–5
• If you need extra space for your answer(s), use the lined pages at the end of 6–7
this book. Write the question number against your answer(s).
• Do all rough work in this book. Cross through any work you do not want 8–9
to be marked. 10–11
• Questions that require a coded solution must be answered in VB.NET. 12
• You should assume that all indexing in code starts at 0 unless stated otherwise.
13–14
15
Information
The total number of marks available for this paper is 90. 16
TOTAL
Advice
For the multiple-choice questions, completely fill in the lozenge alongside the appropriate answer.
CORRECT METHOD WRONG METHODS
If you want to change your answer you must cross out your original answer as shown.
If you wish to return to an answer previously crossed out, ring the answer you now wish to select as
shown.
*Jun2385251C01*
IB/G/Jun23/E10 8525/1C
, 2
Do not write
outside the
Answer all questions. box
0 1 Figure 1 shows an algorithm, represented using pseudo-code, which assigns a
different value to four variables.
Figure 1
country 'United States of America'
state 'California'
city 'San Francisco'
landmark 'Alcatraz Island'
0 1 . 1 Define the term algorithm.
[2 marks]
0 1 . 2 The variable x is assigned a value using the statement:
x LEN(state)
Using Figure 1, what is the value of x?
Shade one lozenge.
[1 mark]
A 1
B 5
C 10
D 12
*02*
IB/G/Jun23/8525/1C
, 3
Do not write
outside the
0 1 . 3 What is the result of concatenating the contents of the variables city and box
landmark in Figure 1?
Shade one lozenge.
[1 mark]
A San Francisco Alcatraz Island
B San Francisco,Alcatraz Island
C San Francisco, Alcatraz Island
D San FranciscoAlcatraz Island
0 1 . 4 The subroutine SUBSTRING extracts characters from a given string.
For example, SUBSTRING(3, 5, 'Computing') would return put
The variable y is assigned a value using the statement:
y SUBSTRING(4, 7, landmark)
Using Figure 1, what is the value of y?
Shade one lozenge.
[1 mark]
A Alca
B Atra
C land
D traz
Question 1 continues on the next page
Turn over ►
*03*
IB/G/Jun23/8525/1C
, 4
Do not write
outside the
Figure 1 has been included again below. box
Figure 1
country 'United States of America'
state 'California'
city 'San Francisco'
landmark 'Alcatraz Island'
0 1 . 5 The subroutine POSITION finds the first position of a character in a string.
For example, POSITION('Computing', 'p') would return 3
The variable z is assigned a value using the statement:
z POSITION(landmark, 't')
Using Figure 1, what value is assigned to z?
Shade one lozenge.
[1 mark]
A –1
B 3
C 4
D 5 6
*04*
IB/G/Jun23/8525/1C
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