WorksheetsPaper 1 Recap
Total questions: 85
Worksheet time: 41mins
Select the rules which might form part of a strong password policy
Your password must be at least 8 characters long
Your password should not contain your name
Your password must include a mix of upper- and lower-case letters
Your password must contain at least 1 number or special character
Your password must be changed every 3 days
Which of these are the two biggest software vulnerabilities?
Unpatched software
Not updating your antivirus
Having a weak password
Installing programs off the internet
Falling for phishing scams
The following is not a type of Systems Software
Device Drivers
Utility Programs
Applications
Operating Systems
To allow a user to interact with an Operating System – it must have a .........?
User Connection
User Interface
Virtual Connection
Remote Accesss
Operating Systems will allocate sections of RAM to the processes as part of:
Processor Management
File Management
Peripheral Management
Memory Management
Which Operating System function enables the allocation of folders?
User Interface
Memory Management
User Management
File Management
The CPU is the (a) of the computer.
Inside the CPU, you will find:
ALU, CU, registers, cache memory
ADU, PC, storage, RAM memory
ARM, PC, controller, cache memory
APM, CU, time signal, RAM memory
The ALU....
does any maths or logic problems for the CPU
stores data inside the CPU
sends out control signals for the CPU
holds specific data for the fetch-decode-execute cycle
The cache memory...
does any maths or logic problems for the CPU
stores frequently used instructions close to the CPU
sends out control signals for the CPU
holds specific data for the fetch-decode-execute cycle
The MAR stores the (a) of data which is either being sent to or fetched from the RAM.
The MDR holds the (a) which is being sent to/fetched from the address in the MAR.
The PC holds the address of the next (a) which will be fetched.
The main purpose of the CPU is to run the _____-______-_______ cycle.
Please include the hyphens in your answer
(a)
The first stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
The second stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
The third stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
The final stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
Select the components of the CPU. [2]
CU
ALU
ACC
ROM
PC
A protocol is a set of (a) which dictate how devices communicate with each other.
Select the correct order of layers in the 4 layer model:
Application, Transport, Internet, Link
Transport, Internet, Link, Application
Link, Transport, Application, Internet
Internet, Application, Transport, Link
This protocol is used to transfer files from a computer to a website.
(acronym or full name accepted)
(a)
This protocol is used to load pages of a website.
(a)
This protocol downloads emails onto your device.
(There are two options)
(a)
What is an advantage for IMAP?
If you delete the email it is still stored in the server
You do not have to be logged in to the Internet to read your messages
Which protocol would be most suitable for accessing a banking website?
HTTPS
FTP
HTTP
Select the correct definition of TCP / IP
TCP - splits and reassembles data packets
IP - assigns and reads packet addresses
TCP - assigns and reads packet addresses
IP - splits and reassembles data packets
The physical layout of a computer network is called its
topology
geographical location
hierarchy
protocol
architecture
Identify this toplogy
WAN
LAN
Star
Mesh
Ring
When a hard drive becomes fragmented reading and writing files becomes…...?
Faster
Slower
No different
Harder
Defragmentation will aim to…..?
Make more space on the hard drive
Move files further apart from each other
Move free space closer together
A fragmented disk takes longer to read from and write to.
True
False
To scramble data so that it is unreadable is a form of….?
Compression
Encryption
Backup
Defragmentation
Unencrypted messages are called...?
Originaltext
Plaintext
Ciphertext
Keytext
Encrypted messages are called...?
Originaltext
Plaintext
Ciphertext
Keytext
Lossy Compression is…..?
Usually performed on text
When some original data is lost, and the original file cannot be re-created
The original file can be re-created from the compressed file
Turning the text into a format that only a reader with a key can decrypt it
Lossless Compression is….?
Usually performed on video files
When some original data is lost and the original file cannot be re-created
The original file can be re-created from the compressed file
Turning the text into a format that only a reader with a key can decrypt it
JPEG is which type of compressed file format?
Lossy
Lossless
PNG is which type of compressed file format?
Lossy
Lossless
I look like a normal piece of software but secretly I will infect your system – What am i?
Trojan Horse
Virus
Phishing Email
Ransomware
I bombard the network with requests using bots, which crashes the network – What am i?
Spyware
Malware
Firewall
DDOS
I don’t know your name, but I contact you anyway. I depend on your participation to be successful. – What am i?
SPAM Email
Phishing Email
Fishing Email
I scan the network, I also scan the computers. If I find something malicious, I remove it.
Disk Defragmenter
Firewall
System Update
Anti-Virus Software
Data travels across networks in
Nibbles
Parts
Bytes
Packets
The ALU....
does any maths or logic problems for the CPU
stores data inside the CPU
sends out control signals for the CPU
holds specific data for the fetch-decode-execute cycle
The number of times per second that a computer can perform the FETCH EXECUTE CYCLE is dictated by:
RAM
Cache size
Clock Speed
The number of cores
How many of the following are examples of Embedded Systems?
Mobile Phone
Washing Machine
Microwave
Fridge
Laptop
Rank the units of data storage in order from smallest to largest..
MB > KB > Byte > TB >GB
KB > Byte > MB > TB > GB
Byte > KB > MB > GB > TB
TB > GB > MB > KB > Byte
What is a LAN?
Local Area Network
Local Access Network
Latency Area Network
Legal Access Network
Which of these Protocols deals with Email?
HTTP, TLS and DNS
POP, IMAP and SMTP
DCHP and FTP
IPv4 and IPv6
Which one of these is not an environmental issue?
Gaining unauthorized Access to a computer network
Sending old tech to landfill
Safe disposal of toxic and carcinogenic components
Leaving electronic devices on standby
Why are data centres an environmental issue?
They are really large
They consume a lot of power
They take up a lot of green space
They employ too many people
Which category does E-Waste fall under?
Ethical
Legal
Cultural
Environmental
Which of the below are environmental concerns? (tick all that apply)
E-Waste
Depletion of natural resources
AI becoming self aware
Hackers
Power consumption
What does the term E-Waste mean?
Extra Waste - all of the extra waste created by old computing equipment
Electronic waste – discarded electrical and electronic components.
Electric Waste - Electricity being wasted when it is isn't needed eg leaving devices on stand-by
Environmental Waste - when the environment is being wasted because of all of the harmful products leaking from old computers
Which of these would be considered E-Waste? (tick all that apply)
Old Laptops
Discarded Memory Sticks
Old hard-drives
Mobile Phones
Old Keyboards and Mice
The amount of E-waste reaching landfills can be substantially decreased by individuals choosing to adhere to the ‘Three Rs’. What are the three Rs?
Reduce - Reuse - Robust
Ride it Out - Reuse - Robust
Reuse - Reuse - Reuse
Reduce - Reuse - Recycle
Recycle - Robust - Rubbish
Which of the below are ways in which technology can help reduce energy use in a household. (Tick all that apply)
Computer-controlled environmental/heating controls eg Hive
Turning off / unplugging devices instead of leaving them on stand-by
Solar panels for on-site generation
Low-energy LED bulbs for lighting
Energy monitoring displays and meters eg Smart meter
The 0's and 1's are known as
binary.
computer talk.
code.
the matrix.
A single character requires how much storage?
1 KB
1 Byte
1 bit
1 MB
How much storage will be required by a six letter word?
6 KB
6 bits
6 Bytes
6 MB
Google Drive is an example of which of the following technologies?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following are types of file compression?
Lossy
Lossless
Reduce
Minimise
Which of these are the correct place values for binary?
128,64,32,16,8,4,2,1
128, 68,34,12,6,4,2,1
1,0
0,1
Which of these Protocols deals with Email?
HTTP, TLS and DNS
POP, IMAP and SMTP
DCHP and FTP
IPv4 and IPv6
What type of storage is a DVD ROM?
Optical
Magnetic
Solid State
It is not a storage device
What type of storage is a USB memory stick?
Optical
Magnetic
Solid State
It is not a storage device
What type of storage is a SSD?
Optical
Magnetic
Solid State
It is not a storage device
What type of storage is a HDD?
Optical
Magnetic
Solid State
It is not a storage device
Which of the following types of storage would likely access its data the fastest?
Optical
Magnetic
Solid State
They are all the same
Which of the following types of storage is the most durable?
Optical
Magnetic
Solid State
They are all the same
Why does a laptop need secondary storage?
To backup files to move to another computer
To store data, files and software when the power it off
To store programs that are currently in use
To store data that the processor is currently using
Which type of storage uses lasers to write the data?
Optical
Magnetic
Solid State
All types
Which is the smallest of these data capacities?
2 KB
2049 Bytes
0.5 MB
3 GB
The types of storage are listed below from the most reliable to the least reliable. Which order is correct?
Solid State, Optical, Magnetic
Optical, Magnetic, Solid State
Magnetic, Optical, Solid State
Solid State, Magnetic, Optical
