100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
AQA Level 3 Technical Level IT: CYBER SECURITY IT: NETWORKING IT: PROGRAMMING IT: USER SUPPORT Unit 1 Fundamental principles of computing£9.40
Add to cart
Level 3 Technical Level
IT: CYBER SECURITY
IT: NETWORKING
IT: PROGRAMMING
IT: USER
SUPPORT
Unit 1 Fundamental principles of computing
Thursday 16 May 2019 Morning Time allowed: 2 hours
Materials
For this paper you must have: For Examiner’s Use
a ruler
a scientific calculator (non-programmable) Questio Mark
stencils or other drawing equipment (eg flowchart stencils). n
1−5
Instructions
Use black ink or black ball-point pen. 6
Fill in the boxes at the top of this page. 7
Answer all questions.
8
You must answer the questions in the spaces provided. Do not
write outside the box around each page or on blank pages. 9
Do all rough work in this book. Cross through any work you do not 10
want to be marked.
If you need more space use the additional pages at the back of this booklet. 11
12
Information
The marks for questions are shown in brackets. 13
The maximum mark for this paper is 80. There are 50 marks in Section A 14
and 30 marks in Section B.
Both sections should be attempted. 15
16
Advice
In all calculations, show clearly how you work out your answer. 17
Use diagrams, where appropriate, to clarify your answers.
TOTAL
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear
presentation in your answers.
*jun19y507642401
* IB/M/Jun19/
E5
Y/507/6424
, 2
Do not write
outside the
Section A box
Answer all questions in this
section.
0 1 Which logic gate reverses the input?
Tick () one box.
[1 mark]
AND
NOT
OR
XOR
0 2 Which value is exactly 1 gibibyte?
Tick () one box.
[1 mark]
1000 megabytes
1000 gigabytes
220 bytes
230 bytes
*02
IB/M/Jun19/Y/
* 507/6424
, 3
Do not
write
0 3 Machine code instructions are outside
box the
written in Tick () one box.
[1
mark]
binary.
mnemonics.
structured English.
symbols.
0 4 A firewall does which of the following?
Tick () one box.
[1 mark]
Examines all packets of data coming into the network.
Prevents users clicking on suspicious email attachments.
Stops spam from clogging up the network.
Warns the network administrator about Botnet attacks.
Turn over for the next question
*03
IB/M/Jun19/Y/
* 507/6424
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 TestGen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.40. You're not tied to anything after your purchase.
