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Paper 1 March Mock Revision

Total questions: 102

Worksheet time: 56mins

Name
Class
Date
1.

What is a standalone computer?

a)

A computer that is not connected to a network

b)

A computer that is being used as a server

c)

A computer that does not have any peripherals attached to it

d)

A computer that is only used by one person

2.

Which of these is a characteristic of a LAN?

a)

It covers a wide geographical area

b)

Computers are connected together using a leased line or a satellite

c)

User can share files and peripherals

d)

Data can only be transmitted at a slow rate

3.

Which of these is a characteristic of a WAN

a)

It covers a small geographical area

b)

Normally has a lower bandwidth than a LAN

c)

It is contained within one building

d)

User are not able to share files and peripherals

4.

Which of these statements is true?

a)

A client-server network has a central computer that provides services to the rest of the network

b)

A client-server network is cheap and easy to set up

c)

A client-server network cannot be used to share files

d)

Each computer on a client-server network is maintain separately

5.

Which of these statements is true?

a)

A client-server network has a central computer that provides services to the rest of the network

b)

A client-server network is cheap and easy to set up

c)

A client-server network cannot be used to share files

d)

Each computer on a client-server network is maintain separately

6.

Where are you most likely to find a peer-to-per network?

a)

In a large organisation

b)

In a home

c)

In a large office

d)

Across several offices in a company

7.

Which of these is a benefit of a peer-to-peer network?

a)

Antivirus scans can be run across all computers from one computer

b)

All software updates can be run across all computers from one computer

c)

All computers can be maintained from one computer

d)

Files and peripherals can be shared

8.

Which of these is the correct definition of a router?

a)

Forwards data packets along a network

b)

Corrects errors that are found in data packets

c)

A type of transmission media that provides the greatest bandwidth

d)

A server within a network

9.

Which transmission media is capable of having a much higher bandwidth?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

10.

Which type of transmission media is the least expensive to manufacture?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

11.

Which of these components is internal to a computer and is required to connect the computer to a network?

a)

Wireless Access Point

b)

Network Interface card

c)

Switch

d)

Hub

12.

What is meant by latency in the performance of a network?

a)

The amount of time data takes to travel from the source to the destination

b)

The maximum rate that data can be transferred at

c)

The number of errors that are found in a data packet after transmission

d)

The route a packet takes when it is being transmitted

13.

Which if these terms refers to the maximum rate at which data can be transferred?

a)

Error detection

b)

Packet switching

c)

Bandwidth

d)

Transmission media

14.
A peer to peer network always has a central server
a)
False
b)
True
15.
In a client server network, all clients are equally powerful.
a)
False
b)
True
16.
A peer to peer network is a network arrangement where all of the computers are equal.
a)
True
b)
False
17.
Which one of these items is not an advantage of a client-server network?
a)
No central point of failure
b)
Central control of security
c)
Easier to supervise network performance
d)
Easier to perform software upgrades
18.
Which one of these items is true of a peer-to-peer network?
a)
No network wide security in place
b)
Central control of security
c)
Has a central point of failure
d)
Easier to perform network wide backups
19.
A client-server network allows people to save their data centrally.
a)
True
b)
False
20.

Which of the following are true of WANS (select all which apply)

a)

Can have nodes in separate countries

b)

All the hardware is owned by the company

c)

They are more secure than linking networks over the Internet

d)

Generally faster than LANS

21.

A program that coverts source code into machine code

a)

Object code

b)

Interpreter

c)

Compiler

d)

A translator

22.

A temporary store for data and instructions (programs)

a)

Main Memory/random access memory (RAM)

b)

Memory Address

c)

Solid Sate Drive

d)

Cloud Storage

23.

The translated source code. Often this will be machine code, but might also be an intermediate code, which has to be further translated before it can be executed.

a)

Compiler

b)

Mnemonic

c)

Object code

d)

Machine code

24.

A low level language written using mnemonics

a)

Machine code

b)

Assembly language

c)

High level language

d)

Source code

25.

Which of these are pillars of computational thinking?

a)

Decomposition: Breaking down data, processes, or problems into smaller, manageable parts

b)

Pattern Recognition: Observing patterns, trends, and regularities in data

c)

Abstraction: Identifying the most important details and discarding the unimportant aspects to make the solution manageable

d)

Algorithm Design: Developing the step by step instructions for solving this and similar problems

e)

functional programming - treats computation as the evaluation of mathematical functions and avoids changing-state and mutable data

26.

Which of the following is NOT an example of computational thinking?

a)

Letting the bossiest friend decide where you should all go

b)

Considering the different options carefully before deciding upon the best one

c)

Discussing with your friends how much time and money you have before choosing from a shortlist of places

27.

Define the term decomposition within computational thinking

a)

The breaking down of a program until it no longer exists

b)

The creation of music that can be played on a computer

c)

The breaking down of a problem into smaller problems

d)

The breaking down of waste to make compost

28.

What is a complex problem?

a)

A problem that, at first, is not easy to solve

b)

A problem that, at first, is not easy to understand

c)

A problem that is not easy to solve or to understand

29.

Define the term abstraction within computational thinking

a)

Adding together numbers

b)

Taking a real world problem and designing a computer program that exactly replicates every part of that problem in the computer

c)

Performing multiple calculations on a list of variables

d)

Representing real world problems in a computer program, using symbols and removing unnecessary elements

30.

The trace table will contain two columns: (a)   and Output.

31.

Which logic gate is this?

a)

AND

b)

NOT

c)

OR

32.

To decrypt an encrypted message you need to have the encryption (a)   .

33.

A firewall monitors traffic going to and coming from a particular...

a)

Post code

b)

Latitude and longitude

c)

IP address

34.

what else is a star topology know as:

a)

Star network

b)

Hub and spoke

c)

Stir network

d)

Star nework

35.

How many devices is a single device connected to in a ring topology?

a)

1

b)

5

c)

4

d)

2

36.

This is what kind of topology?

a)

BUS

b)

RING

c)

STAR

d)

MESH

37.

This protocol is used to load pages of a website.

(a)  

38.

What is a computer network?

a)

Two or more computers connected together

b)

A single computer

c)

A powerful computer that provides a service

d)

A set of rules

39.

Identify this toplogy

a)

WAN

b)

LAN

c)

Star

d)

Mesh

e)

Ring

40.

Which of the below is a valid protocol for email addresses?

a)

An ‘&’ character must be used

b)

An ‘@’ character must be used

c)

A ‘/’ character must be used

d)

An ‘*’ character must be used

41.
Which protocol does this symbolise?
a)
HTTPS
b)
SMTP
c)
FTP
d)
IMAP
42.

What is it called when your network is flooded with traffic bringing it offline?

(a)  

43.

What does AUP stand for?

a)

Autherised User Policy

b)

Acceptable Usage Policy

c)

Anonymous User Policy

d)

Average Usage Policy

44.

What method of network security uses CCTV cameras, Door locks and Staff Pass Cards?

a)

Access Control

b)

Firewall

c)

Physical Security

d)

Anti-Malware

45.

What does ALU Stand for?

a)

Arithmetic Lagging Unit

b)

Arithmetic Large Unit

c)

Arithmetic Logic Unit

46.

High level languages feature...

a)

English-like keywords

b)

Abbreviated command names

c)

Computer language

d)

Fast debug

47.

A translator for high level code that translates code all at once into machine code

a)

Assembler

b)

Compiler

c)

Interpreter

d)

Programmer

48.

These are tools provided by IDE's which give detailed feedback on errors in your code.

a)

Breakpoints

b)

Code Editor

c)

Error diagnostics

d)

Run time environment

49.

If an executable file contains errors:

a)

The program will still run

b)

The program will crash

c)

The errors must be fixed before re-compile

d)

The errors do not need fixed

50.

A programming language that is uses mnemonics, is harder for a human to understand and needs to be translated using an assembler.

a)

Translator

b)

High level language

c)

Low level language

d)

Machine code

51.

Which generation?

a)

Machine Code - Low

b)

Assembly Code - Low

c)

High Level

52.

These are tools provided by IDE's which give detailed feedback on errors in your code.

a)

Breakpoints

b)

Code Editor

c)

Error diagnostics

d)

Run time environment

53.

Select the type of functions a general purpose system can do

a)

Word Processing

b)

Control oven temperature

c)

Web browsing

d)

Pumping water

e)

opening a door

54.

A sensor ....

a)

holds the program instructions in the microcontroller

b)

supplies information from the outside world to the microprocessor

c)

converts output instructions into mechanical actions

d)

provides power to the microcontroller

55.
Is this an embedded system?
a)
YES
b)
NO
56.

Most embedded systems act in real time.

a)

True

b)

False

57.

Write the 8-bit signed binary version of the number +68

a)

11000100

b)

01000010

c)

01000100

d)

01000010

e)

it can't be done

58.
Which of the following additon of two 8-bit two's complement representations will generate an overflow error?
a)
0101 1100 + 0010 0011
b)
0101 1100 + 1010 1111
c)
0101 1100 + 1110 1111
d)
0101 1100 + 0010 1111
59.
What is the 16-bit 2's complement representation of the decimal number 13?
a)
0000 0000 0000 1101
b)
0000 0000 0001 1010
c)
1111 1111 1111 1011
d)
1000 0000 0000 1011
60.

13. Use a while loop arrays. What is the output from this algorithm?

(a)  

61.
What letter will be printed on the screen after running this code:
a)
e
b)
x
c)
t
d)
Nothing prints
62.

Which of these are laws to help protect privacy? (Choose all that apply)

a)

Data protection act

b)

GDPR

c)

Computer misuse act

d)

WEEE regulations

63.

What is ASCII used for?

a)

Storing text

b)

Storing sounds

c)

Storing images

d)

Storing video

64.

How many bits does ASCII use for each character?

a)

5

b)

6

c)

7

d)

8

65.

Advantage of Incremental Backup?

a)

Quicker and requires less storage space than a full backup

b)

Requires huge amounts of data storage capacity

c)

Normally run manually by IT staff

d)

Easy to recover the data even if the network is down

66.
A LOCAL data backup is stored...
a)
on site
b)
off site
c)
in the cloud
d)
in file servers
67.

Storing data across multiple systems can lead to serious _____ issues.

a)

Internet

b)

Personnel

c)

System

d)

Security

68.

What devices are bitmap or vector images usually made by? (select two)

a)

Scanners

b)

A series of lines and formulae

c)

Digital cameras

d)

Microphones

69.

What is the colour depth of the image?

a)

colour depth of 1

b)

colour depth of 2

c)

colour depth of 4

d)

colour depth of 16

70.
Which of the following file types will use lossy compression to reduce the size of the image file?
a)
JPEG (JPG)
b)
BMP (Bitmap)
c)
MP3
d)
MPEG
71.
Increasing the colour depth means…
a)
A bigger range of colours can be used for each pixel
b)
More pixels are in the image.
c)
More colours are in the image.
d)
Darker colours
72.

A USB Flash drive would most likely be measured in which unit of data?

a)

Megabytes

b)

Kilobytes

c)

Gigabytes

d)

Petabytes

73.
Which is NOT an effect of increasing the resolution in an image?
a)
More colours can be displayed.
b)
More binary will be required to create the image.
c)
Larger file size
d)
Higher quality image
74.

............. are examples of lossy compression image file types

a)

JPG

b)

PNG

c)

JPEG

d)

WAV

e)

BMP

75.

........ is not reversible

a)

Lossless compression

b)

Lossy compression

c)

Decompression

76.

....... is reversible.

a)

Lossy compression

b)

Lossless compression

c)

Endless compression

77.

MP3 is which type of compressed file format?

a)

Lossy

b)

Lossless

78.
Type of compression that reduces the file size without losing any pixel information.
a)
Lossless compression
b)
Lossy compression
79.

PNG is which type of compressed file format?

a)

Lossy

b)

Lossless

80.

Lossless Compression is….?

a)

Usually performed on video files

b)

When some original data is lost and the original file cannot be re-created

c)

The original file can be re-created from the compressed file

d)

Turning the text into a format that only a reader with a key can decrypt it

81.

Click on all the examples of Operating Systems

a)

Windows

b)

iOS

c)

Google Docs

82.

Operating systems allow you to interact with various devices

a)

True

b)

False

83.

The operating system helps to manage files

a)

True

b)

False

84.

Do operating systems today have a graphical user interface (GUI)?

a)

True

b)

False

85.
The picture shows a type of user interface as a function of operating system
a)
Command line
b)
Graphical user interface
86.
Which software reorganises your files in this way?
a)
Firewall
b)
Defragmenter
87.

Which of the following are benefits of compressing data? Tick two answers.

a)

Files are quicker to download

b)

Files take up less disk space

c)

The data is secured against viruses

d)

The data is defragmented

88.
What is processor speed measured in?
a)
Kilometers per hour Km/h
b)
Bits per second BPS
c)
Gigahertz GHz
d)
Megabits Mb
89.
Which of these numbers is a binary number?
a)
159
b)
FFh
c)
010110
d)
All of these are binary numbers
90.
Is this device Input or Output?
Projector
a)
Input
b)
Output
91.
a)
input
b)
output
92.

Which of these Protocols deals with Email?

a)

HTTP, TLS and DNS

b)

POP, IMAP and SMTP

c)

DCHP and FTP

d)

IPv4 and IPv6

93.
 An intranet is behind a network device, which gives some protection against hackers, viruses, and so on. Which is the network device?
a)
Proxy server
b)
VPN
c)
Firewall
d)
None of the three
94.

The number of times per second that a computer can perform the FETCH EXECUTE CYCLE is dictated by:

a)

RAM

b)

Cache size

c)

Clock Speed

d)

The number of cores

95.
What is the purpose of a rectangle within a flowchart?
a)

Process

b)
Input / Output
c)
Decision
d)
Start / Stop
96.

This symbol shows where choices need to be made?

a)

Process

b)

Decision

c)

Input/output

97.
What would be the output of this flowchart if the student scored 89?
a)
Fail
b)
Pass
c)
Merit
d)
Distinction
98.

largest number that can be represented with a nibble of binary

a)

8

b)

15

c)

16

d)

128

99.
Convert! 
1416 in to Denary
a)
20
b)
14
c)
64
d)
9001
100.

how many bits in a byte?

a)

8

b)

15

c)

16

d)

128

101.

Convert this from base 16 to denary: 15

(a)  

102.

Base 2 number system

a)

Binary

b)

Denary

c)

Hexadecimal

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