aqa gcse computer science paper 2 question paper 2
aqa gcse computer science paper 2 question paper 2
Written for
AQA GCSE
AQA GCSE
Seller
Follow
studyplan
Reviews received
Content preview
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 2 Computing concepts
Tuesday 21 May 2024 Afternoon Time allowed: 1 hour 45 minutes
Materials For Examiner’s Use
• There are no additional materials required for this paper.
• You must not use a calculator. Question Mark
1–4
Instructions
• Use black ink or black ball-point pen. Use pencil only for drawing. 5–6
• Answer all questions. 7–8
• You must answer the questions in the spaces provided. 9
• If you need extra space for your answer(s), use the lined pages at the end of
10–12
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 13
to be marked. 14–17
Information 18
The total number of marks available for this paper is 90. 19
TOTAL
Advice
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.
*Jun248525201*
IB/G/Jun24/G4004/E8 8525/2
, 2
Do not write
outside the
Answer all questions. box
0 1 Which statement best describes what computers represent using binary?
Shade one lozenge.
[1 mark]
A All data are represented using binary.
B All data and instructions are represented using binary.
C Some data and instructions are represented using binary.
D Some instructions are represented using binary.
0 2 . 1 Convert the binary number 10110111 into decimal.
[1 mark]
0 2 . 2 Convert the decimal number 112 into hexadecimal.
You should show your working.
[2 marks]
Answer
*02*
IB/G/Jun24/8525/2
, 3
Do not write
outside the
0 3 Add together the following three binary numbers and give your answer in binary. box
[2 marks]
0 0 0 0 1 0 1 0
1 0 0 1 1 0 1 0
+ 0 0 1 1 0 0 0 1
0 4 . 1 Figure 1 shows a bit pattern.
Figure 1
00110011
State the result of applying a left binary shift of two to the bit pattern shown
in Figure 1.
[1 mark]
0 4 . 2 The decimal equivalent of the bit pattern shown in Figure 1 is 51
State the result of applying a left binary shift of one to the bit pattern shown
in Figure 1.
Give your answer in decimal.
[1 mark]
Question 4 continues on the next page
Turn over ►
*03*
IB/G/Jun24/8525/2
, 4
Do not write
outside the
0 4 . 3 Which statement best describes where a single binary shift can be used? box
Shade one lozenge.
[1 mark]
A Multiply or divide numbers by any even number.
B Multiply or divide numbers by any number.
C Multiply or divide numbers by any odd number.
D Multiply or divide numbers by powers of two. 9
*04*
IB/G/Jun24/8525/2
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 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 studyplan. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £13.91. You're not tied to anything after your purchase.
