2023 AQA AS COMPUTER SCIENCE
7516/2 Paper 2 Question Paper & Mark
scheme (Merged) June 2023 [VERIFIED]
Please write clearly in block capitals.
Centre number
Candidate number
Surname
Forename(s)
Candidate signature
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Freemann. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.60. You're not tied to anything after your purchase.
