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GCSE
COMPUTER SCIENCE
Paper 1 Computational thinking and programming skills – C#
Friday 19 May 2026 Afternoon Time allowed: 2 hours
Materials
• There are no additional materials required for this paper.
• You must not use a calculator.
Instructions
• Use black ink or black ball-point pen. Use pencil only for drawing.
• Answer all questions.
• You must answer the questions in the spaces provided.
• If you need extra space for your answer(s), use the lined pages at the end of
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
to be marked.
• Questions that require a coded solution must be answered in C#.
• You should assume that all indexing in code starts at 0 unless stated otherwise.
Information
The total number of marks available for this paper is 90.
Advice
For Examiner’s Use
Question Mark
1
2–3
4–5
6–7
8–9
10–11
12
13–14
15
16
TOTAL
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.
*JUN2385251A01*
IB/G/Jun23/E11 8525/1A
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