2023 AQA AS COMPUTER SCIENCE
7516/2 Paper 2 Question Paper & Mark
scheme (Merged) June 2023 [VERIFIED]
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I declare this is my own work.
AS
COMPUTER SCIENCE
Paper 2
Monday 22 May 2023 Afternoon Time allowed: 1 hour 30 minutes
Materials
For this paper you must have:
• a calculator. For Examiner’s Use
Question Mark
Instructions
• Use black ink or black ball-point pen. 1
• Fill in the boxes at the top of this page. 2
• Answer all questions. 3
• You must answer the questions in the spaces provided. Do not write outside
4
the box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of 5
this book. Write the question number against your answer(s). 6
• Do all rough work in this book. Cross through any work you do not want to
7
be marked.
8
Information 9
• The marks for questions are shown in brackets. 10
• The maximum mark for this paper is 75.
11
Advice 12
• In some questions you are required to indicate your answer by completely 13
shading a lozenge alongside the appropriate answer as shown. 14
• If you want to change your answer you must cross out your original
answer as shown. TOTAL
• If you wish to return to an answer previously crossed out, ring the answer you
now wish to select as shown.
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Shade in one lozenge to indicate which of the following values is an irrational number.
[1 mark]
A 3
B
4
√ 2
C 73
D –19
0 1 . 2 Shade in one lozenge to indicate which of the following values is a natural number.
[1 mark]
3
A 4
B √2
C 73
D –19
0 1 . 3Define the set of real numbers.
[1 mark]
*02*
IB/G/Jun23/7516/2
, 3
Do not write
outside the
0 1 . 4 Shade in one lozenge to indicate which of the following symbols represents the set of box
numbers most suitable for counting the number of people in a room.
[1 mark]
ℕ
B
C ℚ
A
ℝ
D
0 1. 5 What is meant by the term ordinal number?
[1 mark]
5
Turn over for the next question
Turn over ►
*03*
, IB/G/Jun23/7516/2
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