AQA GCSE COMPUTER SCIENCE 8525/1A, 8525/1B, 8525/1C Paper 1 Computational thinking and programming skills Version: Final 1.0 *Jun2385251A01* IB/G/Jun23/E11 8525/1A| QUESTION PAPER & MARKING SCHEME/ [MERGED] Marking scheme June 2023

GCSE COMPUTER SCIENCE 8525/1A, 8525/1B, 8525/1C Paper 1 Computational thinking and programming skills Version: Final 1.0 *Jun2385251A01* IB/G/Jun23/E11 8525/1A For Examiner’s Use Question Mark 1 2–3 4–5 6–7 8–9 10–11 12 13–14 15 16 TOTAL Friday 19 May 2023 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 the multiple-choice questions, completely fill in the lozenge alongside the appropriate answer. 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. Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. GCSE COMPUTER SCIENCE Paper 1 Computational thinking and programming skills – C# CORRECT METHOD WRONG METHODS 2 *02* IB/G/Jun23/8525/1A 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 Sta