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40 questions
What is the purpose of the CPU?
To be the 'brains' of a computational system
To process computer data
To execute program instructions
To validate user inputs
Which legislation governs the act of hacking? (1-4)
The Freedom of Information Act
The Data Protection Act
Creative Commons License
The Computer Misuse Act
What does the Data Protection Act give an individual the right to do? (3-6)
A right to request the data an organisation holds about them without paying a fee
A right to request the data an organisation holds on them for a fee
A right to request the data an organisation holds about anyone without paying a fee
A right to request the data an organisation holds about anyone for free
Which legislation governs the act of intellectual property theft? (1-4)
The Copyright, Designs and Patents Act
The Data Protection Act
The Freedom of Information Act
The Computer Misuse Act
How many colours are available for an image where the colour depth is 1?
2
1
3
4
How many colours are available for an image where the colour depth is 2?
2
4
3
8
How many bytes are required per pixel in an RGB image?
3
4
5
8
Which of the following are stored in RAM?
Boot up instructions
Saved work
Programs
Programs and data currently in use
Which of these storage devices used transistors to store data?
Flash Memory
Hard disk
NAS
DVD
Virtual Memory is ...
Cloud storage
Data that cannot be edited
part of the computers hard drive is treated as RAM
volatile memory
How many bits in a nibble?
3
128
4
8
How many bytes in a kilobyte
1000
100
1000000
100000
Which of the following statements is true?
The Internet consists of millions of web pages linked together.
The Internet is a web page created by a business.
The WWW consists of millions of web pages linked together.
WWW is the unique identity of a web page.
A computer network is ___ connected together.
One computer
Two or more
Three or more
Four or more
What does LAN stand for?
Limited Area Network
Laser Assisted Network
Local Area Network
Local Aerial Network
What does WAN stand for?
Wide Area Network
Wide Arena Network
World Area Network
World Aerial Network
Which is true of sound waves and computers?
Sound waves are analogue but computers only understand digital signals.
Sound waves are digital but computers only understand analogue signals.
Sound waves and computers both use digital signals
Sound waves and computers both use analogue signals
When recording a sound, computers take measurements at regular intervals. This is called
Interval selection
Parameters
Sampling
Digital signals
An audio CD is typically sampled at
44 times per second (44.1kHz)
4,410 times per second (44.1kHz)
44,100 times per second (44.1kHz)
44,100,000 times per second (44.1kHz)
A higher sample rate means (tick all that apply)
A better quality/more accurate recording
A lower quality/less accurate recording
A larger file size required to store the final recording
A small file size required to store the final recording
Memory used to make up for the difference in speed between two internal components.
Niche
Cash
Cache
Register
The part of the CPU that performs calculations and logic operations
Register
Control Unit
Clock
Arithmetic/logic unit (ALU)
A storage location inside the CPU used to hold an instruction, an address or other single item of data.
Control Unit
Arithmetic/Logic Unit
Register
Clock
True or False: Peer to Peer Networks are only used to distribute and share files illegally.
True
False
What Network Topology is described here? ______________ consists of a single cable to which each networked device is connected. Messages are sent along the cable in the form of electronic signals. At each end of the cable is a terminator.
A Ring network
A Mesh network
A Star Network
A Bus network
What network topology is described here? ____________each network device is connected to a central hub. This central point will be either a hub or a switch. A central hub directs messages to the correct recipients.
A Mesh Network
A Star Network
A Bus Network
A Ring Network
This Network Topology could be used to describe The Internet.
A Mesh Network
A Ring Network
A Star Network
A Bus Network
A protocol can be defined as a set of rules that govern how communications on a network should be formatted and what data they should include
True
False
Name at least one type of character that a string can contain.
Letters
Numbers
Punctuation marks
Spaces
You can find out information about organisations which are publicly owned using a freedom of information request. Which of the organisations could you use this with?
A local state funded school
An NHS hospital
A local supermarket
A cinema
A government department
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