Exam (elaborations)
A-Level AQA 2024 Computer Science Paper 2
A-Level AQA 2024 Computer Science Paper 2
[Show more]
Seller
Follow
Content preview
Revision303Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
COMPUTER SCIENCE
Paper 2
Tuesday 18 June 2024 Afternoon Time allowed: 2 hours 30 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a calculator. Question Mark
1
Instructions
• Use black ink or black ball-point pen. 2
• Fill in the boxes at the top of this page. 3
• Answer all questions. 4
• You must answer the questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 5
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want to
8
be marked.
9
Information 10
• The marks for questions are shown in brackets.
11
• The maximum mark for this paper is 100.
TOTAL
Advice
• In some questions you are required to indicate your answer by completely
shading a lozenge alongside the appropriate answer as shown.
• 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.
7517/2
,Revision303 2
Do not write
outside the
Answer all questions. box
0 1 Anti-virus software and user training are measures that can be used to reduce the
threat posed by viruses.
Describe four other measures that can be used to reduce the threat posed by
viruses.
[4 marks]
4
, Revision303 4
Do not write
outside the
0 2 . 1 A digital camera takes photographs that are 4000 pixels wide by 3000 pixels tall and box
can contain up to 16 777 216 different colours.
Calculate the size of one image in megabytes.
[2 marks]
Answer megabytes
0 2 . 2 How many images, taken using the camera referred to in Question 02.1, could be
stored on a 256 gigabyte memory card?
You should assume that all of the storage space on the memory card is available to
store image data.
Round your answer down to the nearest whole number.
[1 mark]
Answer
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 Revision303. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.79. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76799 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now