AQA
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.
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page.
• Answer all...
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
Questio Mark
Instructions n
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 the box around each page or on blank pages. 4
If you need extra space for your answer(s), use the lined pages at 5
the end of this book. Write the question number against your
6
answer(s).
Do all rough work in this book. Cross through any work you do 7
not want to be marked. 8
9
Information
10
The marks for questions are shown in brackets.
The maximum mark for this paper is 75. 11
12
Advice 13
In some questions you are required to indicate your answer by
14
completely shading a lozenge alongside the appropriate answer
as shown. TOTAL
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.
IB/G/Jun23/E13
7516/2
1
, 2
Do not write
outside the
Answer all questions in the spaces box
provided.
0 1 .1 Shade in one lozenge to indicate which of the following values is an irrational
number.
[1 mark]
3
A
4
B √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 .3 Define 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 box
the set of numbers most suitable for counting the number of people in a
room.
[1 mark]
A ℕ
B ℚ
C ℝ
D ℤ
0 1 .5 What is meant by the term ordinal number?
[1 mark]
5
Turn over for the next question
*03
IB/G/
* Jun23/7516/2
, 4
Do not write
outside the
Turn over ►
*03
IB/G/
* Jun23/7516/2
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