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Year 11 - revision

Total questions: 109

Worksheet time: 3575secs

Name
Class
Date
1.
The ____________ controls the CPU’s operations
a)
control Unit
b)
arithmetic logic unit
c)
registers
d)
bus
2.
____________ starts the operating system when the user turns on a computer system.
a)
Fetch Cycle
b)
Random Access Memory
c)
Boot Process
d)
Program Counter
3.
In computing, 1GB is equal to ________________.
a)
1024 bytes
b)
1024 x 1024 bytes
c)
1024 x 1024 x 1024 bytes
d)
1024 x 1024 x 1024 x 1024 bytes
4.

What is the "brain" of the computer?

a)

CPU

b)

GPU

c)

Expansion Slot

d)

Motherboard

5.

What is the area on a motherboard where you insert the CPU called?

a)

SATA Port

b)

Socket

c)

Hard Drive

d)

RAM

6.

What does BIOS stand for?

a)

Basic Input/Output System

b)

Biological Indigo Orange Snacks

7.

What is the name of the processor located in the video card dedicated to graphics?

a)

CPU

b)

GPU

c)

RPU

d)

MOO

8.

What is a computer Virus?

a)

A program that appears like an antivirus but ends up downloading other files

b)

it interrupts the functioning of a computer and also steals information

c)

It is a set of programs that disrupts the normal functioning of a program

9.

Which of these is not one of the four basic programming constructs

a)

Sequence

b)

Assignment

c)

Selection

d)

Repeats

10.

A rectangle shape in a flowchart demonstrates which of the following:

a)

Start

b)

Decision

c)

Assignment or action

d)

Input

11.

What is the purpose of a trace table?

a)

Dry run an algorithm

b)

Trace the variables in an algorithm

c)

For testing purposes

d)

All of the options are correct

12.

When is a trace table normally conducted?

a)

During the testing stage

b)

Post implementation

c)

During the design of the algorithm

d)

All stages

13.

The ASCII coding system uses a 7 bit code to represent each of the characters, how many possible codes can ASCII use?

a)

128

b)

8

c)

256

d)

255

14.

Which of the following is used to implement a selection statement when programming

a)

IF ELSE

b)

Case statement

c)

Pre condition loop

d)

Post condition loop

15.

What is the correct output from the following pseudocode, when the number 40 is entered:


IF mark >= 40

THEN

OUTPUT "PASS"

a)

PASS

b)

FAIL

c)

ERROR

d)

The pseudocode does not indicate an input so the user cannot even enter a mark

16.

Which of the following is not considered a method of iteration

a)

For loop

b)

Repeat Until

c)

While

d)

Case

17.

What does the following built in function do:


CONCAT

a)

Find a specified string within a string

b)

Join two strings together

c)

Count the number of string

d)

Find the ASCII value of the specified string

18.

What does the following built in function do:


LENGTH("ComputerScience")

a)

Find a specified string within a string

b)

Join two strings together

c)

Count the number of string and return a value

d)

Find the ASCII value of the specified string

19.

What do the arrows represent in a structure chart

a)

Parameters

b)

Non Boolean Data

c)

Boolean Data

d)

Variables

20.
USB flash drives use solid state memory.
a)
true
b)
FALSE
21.
Solid state hard drives are more suitable than magnetic hard drives for portable devices.
a)
true
b)
FALSE
22.
A CD-ROM is re-writable.
a)
true
b)
FALSE
23.
Solid state hard drives have moving parts.
a)
true
b)
FALSE
24.
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
25.
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
26.
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
27.
RAM is a type of primary storage
a)
true
b)
FALSE
28.
A hard drive is a type of primary storage.
a)
true
b)
FALSE
29.
All secondary storage devices are external to the computer
a)
true
b)
FALSE
30.
What type of storage device is an SSD?
a)
Secondary
b)
Primary
31.
Which one of these devices is solid state?
a)
CD
b)
DVD
c)
Magnetic stripe
d)
USB flash memory
32.
Which one of these devices is optical?
a)
SSD
b)
USB flash drive
c)
CD
d)
Magnetic stripe
33.
If you use online storage and your internet goes down, the data is permanently lost
a)
true
b)
FALSE
34.
You have large quantity of family videos to store, you should use primary storage for this.
a)
true
b)
FALSE
35.
ROM is a primary storage device
a)
true
b)
FALSE
36.
In which switching method can packets be routed around  congestion?
a)
Packet switching
b)
Circuit switching
c)
Public switched networks
d)
frame switching 
37.

Which of these is NOT part of the header?

a)

Packet Number

b)

Sender IP Address

c)

Receiver IP Address

d)

Name of File

38.

What's the primary purpose of a router?

a)

Deliver packets to PC's on local segments.

b)

It controls the data flow of Layer 2 addresses.

c)

It provides Layer 2 address data segmentation.

d)

Deliver packets to different networks using the best available path.

39.

In packet switching each packet will follow the same route

a)

True

b)

False

40.

A router reads the ….

a)

IP address

b)

MAC address

41.

A network that covers large geographical areas is called ...

a)

local area network.

b)

intranet

c)

peer-to-peer network.

d)

wide area network.

42.

The purpose of the Transmission layer is

a)

Prepares or presents the data (email, file, message) for /from transmission - including applying encryption/decryption

b)

Ensures reliable transmission of data across the network.

c)

Ensures the data is correctly routed through the network

d)

Responsible for encoding the data to be transmitted on the actual cabled or wireless channel.

43.

The purpose of the Application layer is

a)

Prepares or presents the data (email, file, message) for /from transmission - including applying encryption/decryption

b)

Ensures reliable transmission of data across the network.

c)

Ensures the data is correctly routed through the network

d)

Responsible for encoding the data to be transmitted on the actual cabled or wireless channel.

44.

The 4-layer network model in ORDER are:

a)

Transport / Application / Link Layer / Physical

b)

Application / Transport / Internet / Network (Data Link Access)

c)

FTP / TCP / IP / ETHERNET

d)

Physical / Link Layer / Transport / Application

45.

The purpose of the Internet (or Network) layer is

a)

Prepares or presents the data (email, file, message) for /from transmission - including applying encryption/decryption

b)

Ensures reliable transmission of data across the network.

c)

Ensures the data is correctly routed through the network

d)

Responsible for encoding the data to be transmitted on the actual cabled or wireless channel.

46.

What is open source software?

a)

Software you can change the source code

b)

Software you need a licence for

c)

Software with a Brand name

d)

Software only for use on a computer

47.

Which of the following laws protects your information held by a company?

a)

Creative Commons Licence

b)

Data Protection act

c)

Copyright and Patents Act

d)

Computer Misuse Act

e)

Freedom of Information Act

48.

Which of the following could you be prosecuted under for hacking into a Network

a)

Creative Commons Licence

b)

Data Protection act

c)

Copyright and Patents Act

d)

Computer Misuse Act

e)

Freedom of Information Act

49.

Which law prevents people using your videos without your consent?

a)

Creative Commons Licence

b)

Data Protection act

c)

Copyright and Patents Act

d)

Computer Misuse Act

e)

Freedom of Information Act

50.

Does the code contain a comment?

a)

Yes

b)

No

51.

Is it a Function or a Procedure

a)

Function

b)

Procedure

52.

How many different variables are there in the code?

a)

1

b)

2

c)

3

d)

4

53.

How many strings are there in the code?

a)

1

b)

2

c)

3

d)

4

54.

Which function has been used in the code?

a)

Iteration

b)

Selection

c)

Sequencing

d)

Casting

55.

What is a GLOBAL variable?

a)

Variable that can be used throughout the program

b)

Variable specific to the procedure

c)

Variable that can be used in any program

d)

Variable that only has one use

56.

What is he lowest score that can be entered?

a)

0

b)

1

c)

2

d)

3

57.

What is he highest score that can be entered?

a)

7

b)

8

c)

9

d)

10

58.

Which of the following has not been used in the code?

a)

comparison operator

b)

integer

c)

iteration

d)

branching point

59.

Which of the following has not been used in the code?

a)

comparison operator

b)

integer

c)

iteration

d)

branching point

60.

What happens if i type in 11?

a)

Computer explodes

b)

prints "scores must be between 1 and 11"

c)

prints "scores must be between 0-10

d)

i will explode

61.

ISP stands for

a)

Internal Service Potential

b)

Internet Service Processor

c)

Internet Service Provider

62.

URL stands for:

a)

Universal Resource Location

b)

Universal Resource Locator

c)

Uniform Resource Location

d)

Uniform Resource Locator

63.
The DNS matches up all the domain names to their IP Addresses
a)
True
b)
False
64.
What is the acronym for Internet Service Providers?
a)
ISP 
b)
CFR
c)
IP 
d)
XM
65.
You purchase a computer so that you can work from home. You request an Internet connection from an Internet service provider (ISP).
Which of the following physical devices will the ISP use to connect your computer to the Internet?
a)
Cables
b)
Speakers
c)
Scanners
d)
Universal Serial Bus (USB)
66.

What is 'The Cloud'?

a)

A server

b)

A range of software and services that run on the internet rather than your PC

c)

A switch or a hub connected to a server

d)

A range of hardware and services that run on the internet rather than your PC

67.

Advantages of Cloud computing are ...

a)

Files may not be stored in the UK - laws might be different

b)

Reduces the need for large storage space on your computer

c)

You can store large files online

d)

You can access you information from anywhere without internet access

68.

Disadvantages of Cloud computing are ...

a)

You can access you information from anywhere in the world with internet access

b)

Monthly costs can be expensive for large companies

c)

Files may not be stored in the UK - laws might be different

d)

If you forget your login details you cannot access your files

69.
The following is a correct order of units of storage from lowest to highest:
a)
a bit, a nibble, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte
b)
a bit, a byte, a nibble, a kilobyte, a megabyte, a gigabyte, a terabyte
c)
a bit, a nibble, a byte, a megabyte, a kilobyte, a gigabyte, a terabyte
d)
a byte, a bit, a nibble, a megabyte, a kilobyte, a gigabyte, a terabyte
70.
Quality of an image depends on:
a)
Resolution
b)
Metadata
c)
Screen size
d)
Computer's speed
71.
Colour depth refers to:
a)
How many bits are used in a file to store colour information in every pixel
b)
Resolution divided by the number of colours in an image.
c)
Degree of file compression applied to an image file.
d)
Repeated resampling of an image.
72.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
73.

The resolution of an image refers to the quality of the image.

a)

TRUE

b)

FALSE

74.
The (standard) ASCII code is capable of representing non-European languages.
a)
True
b)
False
75.
What is the maximum number of values that can be represented in 8 bits?
a)
255
b)
256
c)
65,536
d)
128
76.
Reducing the amount of colours in the image will
a)
Reduce the quality of the image.
b)
Reduce the amount of binary needed for each pixel.
c)
Make the file size larger
d)
Remove pixels from the image.
77.
How many colours can be used for each pixel if the colour depth is 4 bit?
a)
4 colours
b)
5 colours
c)
15 colours
d)
16 colours
78.
How many colours can be used for each pixel if the colour depth is 8 bit?
a)
8 colours
b)
9 colours
c)
255 colours
d)
256 colours
79.
How could you reduce the file size of an image?
a)
Reduce the numbr of colours used per pixel (colour depth)
b)
Reduce the dimensions of the image.
c)
Compress the file using a lossy compression file type.
d)
All of these
80.
What would be the colour depth of an image which can use up to 256 colours?
a)
256 bit
b)
8 bit
c)
8 byte
d)
256 byte
81.
Define the term "Colour Depth"
a)
The number of bits used per pixel (BPP).
b)
The number of colours used in an image.
c)
The number of pixels per inch (PPI).
d)
The total number of pixels in an image.
82.

Processors have a speed measured in (1-4)

a)

Bits

b)

Seconds

c)

Bytes

d)

Hertz

83.
Data and Instructions in use are stored in the: (1-4)
a)
Hard Disk Drive
b)
Processor
c)
Main Memory
d)
Embedded System
84.
Which is an example of an Embedded System: (1-4)
a)
Laptops
b)
Washing Machine
c)
PCs
d)
Tablets
85.
What is held in cache? (5-6)
a)
Instructions that have been processed
b)
Data that hasn’t been used for a long time
c)
Commonly used instructions and data
d)
All of the programming instructions
86.
What is the job of the control unit?
a)
It carries out calculations
b)
It stores information.
c)
It does nothing.
d)
It controls the input and output of data to make sure that it gets to the right place.
87.
What does CPU stand for?
a)
Control Processing Unit
b)
Central Processing Unit
c)
Central Power Unit
d)
Center Power Unit
88.
Which of the following is an example of 'main memory'.
a)
Hard Drive
b)
USB Drive
c)
RAM
d)
ROM
89.
What is cache memory?
a)
A very large, temporary memory
b)
A very small but expensive memory
c)
It is used to store data and programs permanently
d)
It is a type of payment
90.

Performs calculations (i.e. addition, division, multiplication, subtraction)

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

91.
Which two main components make up a CPU
a)
Control unit and Processing unit
b)
Control unit and RAM
c)
Control unit and Arithmetic Logic unit 
d)
Flash storage and Arithmetic Logic unit 
92.
ALU stands for
a)
Arithmetic Logic unit 
b)
Arithmetic Legal unit 
c)
Anti Logic unit 
d)
Arithmetic Logic undo
93.

A malicious program that attacks a computer and harms the users data in many ways.

a)

Spam

b)

Malware

c)

Spyware

d)

Trojan Horse

94.

A person who breaks into a computer system for the purpose of resolving any issue.

a)

Hacker

b)

White Hat Hacker

c)

Black Hat Cracker

d)

Cracker

95.

A network security program to keep a check on incoming and outgoing information.

a)

Spyware

b)

Firewall

c)

Protector

d)

Adware

96.

A small program that collects the information of your online activity and reports back to the host.

a)

COPPA

b)

Cookie

c)

Firewall

d)

Adware

97.

A legal right that gains the creator of an invention the sole right to make use and said that invention for a set period of time.

a)

Trademark

b)

Trade secret

c)

Patent

d)

IDR

98.

I have downloaded a film that is currently playing in the cinema from the internet. Is this Legally or Ethically wrong?

a)

Legal

b)

Ethical

99.

Someone has sent me serious threats on Twitter. Is this a legal or ethical problem?

a)

Legal

b)

Ethical

100.

Phishing is what?

a)

An act of going on a lake or ocean to catch fish

b)

Virtual fishing experiences

c)

An act of attempting to acquire information by an untrustworthy source

d)

Phishing is an online scamming term

101.

Which is the correct definition of ethics?

a)

A set of moral principles that govern someone's behaviour and actions

b)

The right to be left alone and free from intrusion

c)

The right for your personal data to be kept private

d)

Rules for how to behave in certain situations

102.

The right of an individual to be left alone and free from intrusion and public scrutiny.

a)

Ethics

b)

Privacy

c)

Personal data

d)

Morals

103.

_________ theft is the stealing of another person's personal details, such as their bank, passport or credit card details, for criminal intent or gain.

a)

Personal

b)

Identity

c)

Private

d)

Home

104.

Small data files stored on your computer when you visit a website which reveal your browsing habits?

a)

Cookies

b)

Biscuits

c)

Spyware

d)

Key loggers

105.

Which of these tools can help to enhance your privacy online?

a)

Encryption software

b)

Password managers

c)

Anti-spyware scanners

d)

File compression software

106.

A creation of the human mind that is unique and has a potential commercial value is called ___________ property.

a)

creative

b)

spiritual

c)

intellectual

d)

personal

107.

Choose all the relevant principles of the UK Data Protection Act. Data must be ...

a)

... processed fairly and lawfully

b)

... accurate and up-to-date

c)

... kept for no longer than necessary

d)

... kept securely

108.

What computer activity did the UK's Computer Misuse Act of 1990 make a criminal offence?

a)

Downloading

b)

Spamming

c)

Hacking

d)

Streaming

109.

A type of license that allows software creators to communicate which rights they reserve and which rights they waive for the benefit of users or other creators

a)

Unlicensed

b)

Proprietary

c)

Open-source

d)

Creative Commons

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