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Worksheets

Y11 CS P1 2022

Total questions: 118

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Which of the following is primary storage?

a)

Had disk

b)

Flash drive

c)

RAM

d)

DVD

2.

Which of these is NOT a stage of the FDE cycle?

a)

Fetch

b)

Execute

c)

Decide

d)

Decode

3.

What is the part of the CPU called that performs calculations?

a)

ALU

b)

Control Unit

c)

Program Counter

d)

Memory

4.

Who is the computer architecture named after, where instructions and data are stored in memory and fetched, decoded and executed sequentially?

a)

Van Newman

b)

Von Neumann

c)

Vin Nowman

d)

Ven Numan

5.

Which statement best describes RAM?

a)

Fast, permanent storage

b)

Fast, volatile storage

c)

Slow, volatile storage

d)

Slow, permanent storage

6.

The Control Unit

a)

Controls the flow of data around the CPU and also decodes instructions

b)

Only controls the flow of data around the CPU

c)

Controls how much power is directed to all components within the computer

d)

Only decodes instructions

7.

It stores both data and instructions.

a)

CPU

b)

Main Memory

c)

Input devices

d)

Output devices

e)

Bus

8.

Which of the images below demonstrates the Von Neumann Architecture

a)
b)
c)
d)
9.
The address of an instruction or data pointed at by the memory address register is sent to which register during a fetch operation?
a)
Accumulator
b)
Memory address register
c)
Program counter
d)
Memory data register
10.
What is the purpose of the accumulator?
a)
To fetch the next instruction to calculate data
b)
To store the results of calculations
c)
To decode an instruction to calculate a total
d)
To execute a calculation
11.
The value in the program counter is passed to which register during a fetch operation?
a)
Program counter
b)
Memory data register
c)
Accumulator
d)
Memory address regsiter
12.
What does the Memory Address Register (MAR) hold?
a)
Address of the instruction or piece of data to be fetched or stored
b)
Address of the next instruction to be executed
c)
The current instruction to be executed
d)
Data being transferred to and from main memory
13.
What does the Memory Data Register (MDR) hold?
a)
Data being transferred to and from main memory
b)
Address of the instruction or piece of data to be fetched or stored
c)
The current instruction to be executed
d)
Address of the next instruction to be executed
14.
Which of these characteristics of a computer system affects the performance of a CPU?
a)
The number of external peripherals
b)
The number of comments in code
c)
The number of secondary storage devices
d)
The number of cores
15.
Why does increasing the number of cores increase the speed of the CPU?
a)
The clock ticks more quickly allowing the fetch, decode, execute cycle to operate more quickly
b)
More than one instruction can be executed at the same time
c)
Frequently used instructions and data can be held in the CPU
d)
There is a reduced requirement for RAM
16.
What is the main advantage of the cache on board the CPU?
a)
Allows calculation to be performed on the CPU
b)
Allows sharing of data between registers
c)
Fast access to frequently used instructions and data without having to go to RAM.
d)
Allows for two way communication between the CPU and RAM
17.
Why does having a very large cache not give a big performance increase for the CPU?
a)
Instructions are not always sequential
b)
A large cache would need to be made of lower grade, cost effective components
c)
A large cache is more unreliable
d)
It will take more time to fetch the data in a large cache
18.
What is meant by the term 'clock speed'?
a)
The process of overclocking a computer processor
b)
The speed at which a computer operates
c)
The process of keeping a computers internal clock synchronised
d)
The speed at which a processor operates
19.

How many of the following are examples of Embedded Systems?

a)

Mobile Phone

b)

Washing Machine

c)

Microwave

d)

Fridge

e)

Laptop

20.

How many of the following are not examples of Embedded Systems?

a)

Mobile Phone

b)

Washing Machine

c)

Microwave

d)

Fridge

e)

Laptop

21.

Which of the following is not a type of storage

a)

Optical

b)

Magnetic

c)

Solid State

d)

Hard Drive

22.

What type of storage is a DVD ROM?

a)

Optical

b)

Magnetic

c)

Solid State

d)

It is not a storage device

23.

What type of storage is a USB memory stick?

a)

Optical

b)

Magnetic

c)

Solid State

d)

It is not a storage device

24.

What type of storage is a HDD?

a)

Optical

b)

Magnetic

c)

Solid State

d)

It is not a storage device

25.

Which of the following storage media would usually have the fastest read/write speeds?

a)

Optical

b)

Magnetic

c)

Solid State

d)

Hand

26.

The typical read/write speed of storage are listed below from fastest to slowest. Which is correct?

a)

Solid State

Optical

Magnetic

b)

Optical

Magnetic

Solid State

c)

Magnetic

Optical

Solid State

d)

Solid State

Magnetic

Optical

27.

The types of storage are listed below from the most reliable to the least. Which order is correct?

a)

Solid State

Optical

Magnetic

b)

Optical

Magnetic

Solid State

c)

Magnetic

Optical

Solid State

d)

Solid State

Magnetic

Optical

28.
The term portability refers to
a)
how easy it is to carry around/transport the device
b)
the speed of the device
c)
the amount of data you can store on the device
d)
how shiny the device is
29.
The term durability refers to
a)
the speed of the device
b)
the amount of data you can store on the device
c)
how easily you can damage the device
d)
how shiny the device is
30.
The term capacity refers to
a)
how shiny the device is
b)
the amount of data you can store on the device
c)
how easily you can damage the device
d)
the speed of the device
31.

How many possible values can a bit store?

a)

0

b)

1

c)

2

d)

10

32.

Which answer is correct from smallest to largest?

a)

Kilobyte, Gigabyte, Megabyte

b)

Gigabyte, Megabyte, Terabyte

c)

Megabyte, Terabyte, Kilobyte

d)

Byte, Kilobyte, Megabyte

33.

The following is a correct order of units of storage from lowest to highest:

a)

Bit, Nibble, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte

b)

Bit, Byte, Kilobyte, Nibble, Megabyte, Gigabyte, Terabyte

c)

Terabyte, Gigabyte, Megabyte, Kilobyte, Byte, Nibble, Bit

d)

Megabyte, Byte, Kilobyte, Nibble, Gigabyte, Bit, Terabyte

34.

1000 0010

a)

128

b)

130

c)

22

d)

188

35.

21

a)

1010 0011

b)

0001 0101

c)

0001 1010

d)

0010 0001

36.
What is the answer to 010 + 010?
a)
110
b)
010
c)
100
d)
011
37.
Add binary numbers shown?
a)
10010000
b)
10001000
c)
10000100
d)
10100000
38.

Doing a 2 bit left logical shift has what effect?

a)

Divides the number by 2

b)

Divides the number by 4

c)

Multiples the number by 2

d)

Multiplies the number by 4

39.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001
40.
Convert the binary number 01010101 to Hex
a)
44
b)
55
c)
66
d)
77
41.
What is this an example of?
a)
Overflow error
b)
8 bit binary addition
c)

adding numbers together

d)

16 bit binary

42.

How many bits are used to represent each character in the ASCII character set?

a)

5

b)

6

c)

7

d)

8

43.

How many characters are contained in the ASCII character set?

a)

64

b)

128

c)

256

d)

512

44.

In ASCII the character A is represented by the numeric code 65.

Which character is represented by the numeric code 70?

a)

E

b)

F

c)

f

d)

e

45.

Which of the following is an advantage of the Unicode character set?

a)

Saves space on a computer hard drive

b)

Quicker to process information

c)

Represents characters from alphabets across the world

d)

Easier to convert characters into binary

46.

Which of the following is an disadvantage of the Unicode character set?

a)

Increases space used on a computer hard drive

b)

Can't represent symbols or emoji

c)

Only represents characters from the British alphabet

d)

More difficult to convert characters into binary

47.

Which of the following best describes 'Colour Depth/Bit Depth'?

a)

The height and width of an image in pixels

b)

The total number of pixels in an image

c)

A single dot of colour in an image

d)

The number of bits used for each pixel

48.

Increasing the resolution of an image would...

a)

Increase the file size, due to more bits being stored

b)

Increase the number of colours available to use in the image

c)

Reduce the file size of an image

d)

Increase the quality of the image (more pixels = more detail)

49.

What is the effect of increasing the Colour Depth/Bit depth of an image?

a)

Height and Width of the image are increased

b)

More colours available to use in the image

c)

Better quality because more pixels are used

d)

Smaller file size

50.

This image of Mario uses 4 colours. What 'colour/bit depth' would be most suitable to store it as?

a)

1 bit

b)

2 bit

c)

3 bit

d)

4 bit

51.

Photos are normally stored as what colour/bit depth?

a)

8 bit

b)

16 bit

c)

24 bit

d)

32 bit

52.

Which of the following is essential metadata for an image?

a)

Date taken

b)

Author

c)

Location of photo

d)

Colour/Bit depth

53.

Which of the following is NOT essential metadata for an image?

a)

Resolution

b)

Author

c)

Dimensions

d)

File Format (e.g. jpg)

54.

Which of the following would not be suitable for Lossy Compression?

a)

Images

b)

Music

c)

Videos

d)

Text

55.

Select the advantages for lossy compression

a)

Makes the file much smaller

b)

Will send much quicker

c)

A very simple algorithm

d)

The quality will not be affected much

56.

Select the advantages for lossless compression

a)

Makes the file much smaller

b)

Will send quicker

c)

A very simple algorithm

d)

The quality will not be affected much

57.
What does Lossy Compression do to files?
a)
Increases the file size and keeps the same quality
b)
Eliminates no information at all
c)
Decreases the file size and keeps the same quality
d)
Eliminates unnecessary information in a file to reduce file size
58.
What is compression?
a)
To convert one file to another
b)
To reduce the size of data to save space
c)
To minimise the time taken for a file to be download
d)
To compress something by pressing it hard
59.
What is Lossless Compression?
a)
No information is lost but file size is increased
b)
There is no loss of information at all after compression
c)
Files which have the exact same data after compression
d)
Compression involves an algorithm
60.

Complete this sentence: Internet is an example of …………………

a)

LAN

b)

MAN

c)

WAN

d)

PAN

61.

Complete the sentence: ……………… broadcasts data to all devices in the network.

a)

Router

b)

Modem

c)

Hub

d)

Bridge

62.

Which of the following is FALSE about switches?

a)

Switches store the MAC address of devices on a network.

b)

Switches broadcast data to all devices in the network.

c)

Switches filters data packets.

d)

All of the above

63.

Which of the following network hardware connects two separate LAN networks?

a)

Router

b)

Modem

c)

Hub

d)

Bridge

64.

A DNS server ...

a)

Translates a URL to an IP address and sends it back to a web browser.

b)

Translates an IP address to a URL and sends it back to a web browser.

c)

Translates a URL to a MAC address and sends it back to a web browser.

d)

Translates a MAC address to a URL and sends it back to a web browser.

65.

In packet switching, a message is divided into .......... .......... Each .......... .......... contains data and all the information needed to route it towards its .......... and to .......... it into a full message.

a)

data, packets, data, packet, destination, reassemble

b)

data, packets, data, packet, source, reassemble

c)

data, packets, data, packet, destination, divide

66.

What is the role of a web server?

a)

To host web pages that can be accessed by other devices connected to the internet.

b)

To control which devices on a network are able to access the Internet.

c)

To request a specific web page from a web host and display the results.

d)

To allow the user to create their own web pages.

67.

What is the role of a web client?

a)

To host web pages that can be accessed by other devices connected to the internet.

b)

To control which devices on a network are able to access the Internet.

c)

To request a specific web page from a web host and display the results.

d)

To allow the user to create their own web pages.

68.

The device that directs data packets to their destination is called ...

a)

a router

b)

a switch

c)

a network interface controller

d)

a server

69.

.......... .......... is used to direct data packets to their correct destination.

a)

A destination IP address

b)

A destination MAC address

c)

A source IP address

d)

A source MAC address

70.
In a star network
a)
Each device is connected to a switch or hub
b)
Each device connects to each other
c)
Each device is connected in a line
d)
Each device is connected to a terminal
71.
A terminator
a)
Makes the network quicker
b)
Sends Data Packets
c)
Stops data collisions
d)
Connects devices to the internet 
72.
What term describes the physical layout of a network?
a)
Topology
b)
topping
c)
topiology
d)
toppology
73.
What type of network topology shown in the picture?
a)
Bus topology
b)
Ring topology
c)
Star topology
d)
Tree topology
74.

Which of these does a mesh topology have?

a)

Server

b)

Switch

c)

Hub

d)

None of the above

75.

Which of these is an advantage of mesh topologies?

a)

They allow you to communicate over long distances.

b)

They make the computer run faster.

c)

They are easy to build.

d)

Many devices can transmit data simultaneously.

76.

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

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

77.

 Which is a disadvantage of WiFi? (1-4) 

a)

You can use it in a range of ‘hard to reach’ locations making users more mobile 

b)

It is simple to join a WiFi network 

c)

It reduces Health & Safety issues by removing wires 

d)

None of them 

78.

What is a benefit of a wired network over a wireless network? (7-9) 

a)

Increased costs 

b)

Technical Knowledge needed 

c)

Faster Data Transfer Speeds 

d)

Easier to hack 

79.

 

Taking a secret message and reproducing the original plain text is known as?

a)

Caesar Cipher

b)

Encryption

c)

Cipher Text

d)

Decryption

80.
If the same key is used to encrypt and decrypt a message, this is known as? 
a)
Symmetric encryption
b)
Encryption doesn't exist!
c)
Asymmetric encryption
d)
Same-key encryption
81.
If you were to use a caeser cipher with a key of 3 shifts to the left, how would you encrypt the word: Cipher?
a)
ZAMEBO
b)
ZOMEBO
c)
ZFMEBO
d)
ZFMEBA
82.

What are advantages of dividing network transmission into layers?

a)

Network communication components are standardised which helps to ensure that different types of hardware and software are able to communicate.

b)

Through separating the overall network communication processes it makes troubleshooting easier should an error occur.

c)

To ensure that if changes are made in one layer they do not affect any other layers

d)

Through dividing overall network communication into smaller, individual components it makes the software development process more straightforward.

e)

Its easier

83.
Which protocol is responsible for sending/receiving packets over the internet?
a)
Http
b)
Ftp
c)
TCP/IP
d)
IMAP
84.
Which protocol provides the destination address  and recognises incoming data packets.  It also routes packets across the Internet.
a)
IP
b)
TCP
c)
Http
d)
Ftp
85.

What does TCP/IP mean?

a)

Traffic Control Protocol/Information Protocol

b)

Transport Control Protocol/Intranet Protocol

c)

Truck Car Protocol/Intranet Protocol

d)

Transport Control Protocol/Internet Protocol

86.

What is the most frequently used communications protocol?

a)

IPv4

b)

IPv6

c)

IPv8

d)

IPv10

87.

Which protocol holds the email until you actually delete it?

a)

POP3

b)

IMAP

c)

SMTP

d)

FTP

88.

Which protocol holds the email only until you receive it?

a)

SMTP

b)

FTP

c)

IMAP

d)

POP3

89.

What does HTTPS stand for?

a)

Hyper Text Transfer Protocol

b)

Hyper Text Transport Protocol Secure

c)

Hyper Text Transport Protocol

d)

Hyper Text Transfer Protocol Secure

90.

Which protocol is responsible for transferring computer files between client and server on a computer network?

a)

SMTP

b)

FTP

c)

TCP/IP

d)

HTTP

91.

What is a network protocol?

a)

A shape of a network, such as star

b)

A set of rules for sharing data

c)

The requirements for passwords, such as length

d)

The size of a network, such as WAN

92.

Which protocol is used for sending emails?

a)

FTP

b)

IMAP

c)

SMTP

d)

POP3

93.

What does SMTP stand for?

a)

Server Mail Transfer Protocol

b)

Simple Mail Transition Protocol

c)

Simple Mail Transfer Protocol

d)

Server Mailing Transfer Procedure Question 39: A MAC Address is usually

94.

Which protocol would be most suitable if you needed to access your emails from multiple devices?

a)

IMAP

b)

POP3

c)

SMTP

d)

FTP

95.

Network protocols allow data to be sent...

a)

Securely

b)

Effectively

c)

Consistently

d)

With no mistakes

96.

Which of these are indicators of a phishing email?

a)

bad spelling and grammar

b)

email uses your real name

c)

sent from a legit-looking address

d)

Link to enter password/personal details

e)

Has a time limit to add a sense of urgency

97.

What is Malware?

a)

Bad computer equipment

b)

Pop up adverts on your computer

c)

Software designed to do harm to a computer

d)

Fake web sites

98.

What is a Denial of Service (DoS) attack?

a)

When information is stolen

b)

When a website/app is deliberately crashed for revenge or blackmail

c)

When information is sold

d)

When somebody is hacked

99.

Which of these are the two biggest software vulnerabilities?

a)

Unpatched software

b)

Not updating your antivirus

c)

Having a weak password

d)

Installing programs off the internet

e)

Falling for phishing scams

100.

Human weakness can make computer systems vulnerable to what?

a)

Social Engineering

b)

Nothing

c)

Phishing

d)

Brute Force Attacks

101.

Which of these are Malware?

a)

Worm

b)

SQL injection

c)

Rootkit

d)

Blagging

e)

DoS

102.

What does an OS need to work well?

a)

RAM memory

b)

storage

c)

CPU

d)

all answers

103.

What is the most used operating system in the world?

a)

Linux

b)

MacOS

c)

Windows

d)

Ubuntu

104.

1. What is an operating system?

a)

a) interface between the hardware and application programs

b)

b) collection of programs that manages hardware resources

c)

c) system service provider to the application programs

d)

d) all of the mentioned

105.

Which of these is not a function of an operating system

a)

Provide a user interface

b)

Manage peripherals

c)

Manage memory

d)

Time management

106.

What is virtual memory

a)

When you can visualise a dream

b)

When a section of primary memory is used as secondary.

c)

Cache

d)

When a section of the hard disk is used as primary memory

107.

Which of these is not an operating system?

a)

Mac OS

b)

Windows explorer

c)

Red Hat

d)

Solaris

108.
The OS provides a platform that enables what to be run?
a)
Applications
b)
Hardware
c)
Cache
d)
Processes
109.
What happens when RAM is full?
a)
The computer crashes
b)
Virtual Memory is used
c)
An interrupt is raised
d)
The computer explodes
110.

A fragmented hard drive is one in which…..?

a)

Program instructions and data are spread across tracks and sectors on the hard disk drive

b)

Programs and instructions are grouped together to occupy a continuous section of the hard disk drive

c)

A hard disk drive that has been dropped and broken into lots of pieces

d)

The hard disk drive is split into portions each representing a different logical drive.

111.

When a hard drive becomes fragmented reading and writing files becomes…...?

a)

Faster

b)

Slower

c)

No different

d)

Harder

112.

What isn't an example of Utility Software

a)

Encryption

b)

Task Manager

c)

Kernel

d)

Anti-Virus

113.

What isn't an example of Utility Software

a)

Firewall

b)

Drivers

c)

Auto Updates

d)

Defragmentation

114.

What does the Data Protection Act give an individual the right to do?

a)

A right to request the data and organisation holds about them without paying a fee

b)

A right to request the data and organisation holds on them for a fee

c)

A right to request the data and organisation holds about anyone without paying a fee

d)

A right to request the data and organisation holds about anyone for a fee

115.

Which legislation governs the act of intellectual property theft?

a)

The Copyright, Designs and Patents Act

b)

The Data Protection Act

c)

The Freedom of Information Act

d)

The Computer Misuse Act

116.

A company produces an App using only the ASCII character set. What issue may they not have considered?

a)

Cultural

b)

Legal

c)

Environmental

d)

Moral/Ethical

117.

Which of these statements is true?

a)

There are no environmental issue with computing

b)

Only the greenhouse effect is linked to computers

c)

The advance in technology should not worry about the environment

d)

There are environmental benefits and drawbacks to developing technology

118.

Hayley has designed a new web app. She thinks another company is changing her idea. Which act would Hayley use to stop this person from doing this?

a)

Creative Commons Licence

b)

Computer Misuse Act

c)

Copyright, Designs and Patents Act

d)

Freedom of Information Act

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