What is the main benefit of decomposition in problem-solving?

It makes problems more manageable

How does a bubble sort algorithm work?

Repeatedly swapping adjacent elements

What is pattern recognition in computational thinking?

Identifying similarities in problems

What does ASCII stand for?

American Standard Code for Information Interchange

What is the key difference between a compiler and an interpreter?

A compiler translates code all at once

Why is hexadecimal used in computing?

It is easier for humans to read

A network in a small geographical area

How does the manufacturing of digital devices impact the environment?

Requires mining of rare materials

What is the main function of RAM?

Store programs currently in use

How can users give consent for their data to be collected?

By clicking 'Accept' in agreements

What is social engineering in cybersecurity?

Manipulating people to give up information

What does a firewall do?

Filters incoming and outgoing traffic

A program that prevents unauthorized access

What is one way malware can infect a system?

Clicking on unknown email links

What is penetration testing?

Analyzing networks for vulnerabilities

What is an embedded system?

A computer built into another device

What is the main difference between a linear and a binary search?

Binary search is faster on sorted data

How does a mesh topology improve reliability?

By having multiple pathways for data

What does GDPR stand for?

General Data Protection Regulation

What is the purpose of the TCP/IP model?

To define how data is transmitted

What does sample rate in digital audio determine?

The number of samples per second

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Answers

1
What is the main benefit of decomposition in problem-solving?
It reduces the need for programming
It makes problems more manageable
It removes all errors
It increases processing speed
2
How does a bubble sort algorithm work?
Repeatedly swapping adjacent elements
Dividing data into halves and merging
Searching through data sequentially
Using recursion to sort lists
3
What does evaluating an algorithm’s efficiency help with?
Optimizing resource usage
Slowing down execution
Increasing syntax errors
Making programs harder to read
4
What is pattern recognition in computational thinking?
Identifying similarities in problems
Writing repetitive code
Sorting data in order
Using a switch statement
5
What does ASCII stand for?
Automated Software for Character Input
Advanced System Code for Internet Communication
American Standard Code for Information Interchange
Assigned System for Computer Instructions
6
What is an example of selection in an algorithm?
A function call
An IF statement
A variable declaration
A for loop
7
What is the key difference between a compiler and an interpreter?
A compiler requires a network
An interpreter generates machine code
An interpreter runs code faster
A compiler translates code all at once
8
Why is hexadecimal used in computing?
It takes up less memory
It replaces binary
It executes faster
It is easier for humans to read
9
What is one way to prevent brute force attacks?
Using strong passwords
Sending emails
Restarting the computer
Disabling firewalls
10
What does a flowchart symbol with a diamond represent?
Decision
Process
Input/Output
Connector
11
What is a LAN?
A network that only uses wireless
A network in a small geographical area
A network covering a large area
A network used for gaming
12
What does a trace table help with in an algorithm?
Increasing program speed
Tracking variable values
Reducing memory usage
Hiding program logic
13
How does the manufacturing of digital devices impact the environment?
Has no impact
Requires mining of rare materials
Improves air quality
Reduces global warming
14
Which of the following is the smallest unit of data storage?
Nibble
Byte
Kilobyte
Mebibyte
15
Which storage type uses a spinning disk to store data?
Magnetic hard drive
Solid-state drive (SSD)
Flash memory
Optical disc
16
What is the main function of RAM?
Provide permanent storage
Encrypt data
Manage input devices
Store programs currently in use
17
How can users give consent for their data to be collected?
By using any website
By disabling cookies
By clicking 'Accept' in agreements
By ignoring privacy policies
18
What happens when a binary sum exceeds the number of available bits?
The result overflows
The value is rounded down
It converts to hexadecimal
Nothing
19
What is social engineering in cybersecurity?
Manipulating people to give up information
Setting up firewalls
Using antivirus software
Encrypting all passwords
20
What does a firewall do?
Filters incoming and outgoing traffic
Stores encryption keys
Measures bandwidth usage
Increases network latency
21
What is one way to protect digital systems from cyberattacks?
Never updating software
Disabling firewalls
Using encryption
Sharing passwords with friends
22
What is a firewall?
A type of encryption
A program that prevents unauthorized access
A backup system
A type of malware
23
What is the advantage of using compression on files?
It prevents hacking
It makes files open faster
It reduces file size
It increases processing speed
24
What does an IP address identify?
The physical connection type
A network topology
A specific device on a network
The speed of a network
25
What component is responsible for rendering graphics in a computer?
CPU
RAM
Motherboard
GPU
26
What is one way malware can infect a system?
Using strong passwords
Clicking on unknown email links
Updating software regularly
Encrypting data
27
Which component is responsible for arithmetic operations in the CPU?
Control unit
Arithmetic Logic Unit (ALU)
Registers
Cache memory
28
Why are subprograms useful in programming?
They slow down execution
They make code reusable
They are only used in AI
They increase hardware costs
29
What is the role of a router?
Forward data between networks
Block websites
Encrypt traffic
Store data
30
What is penetration testing?
Encrypting data
Increasing bandwidth
Analyzing networks for vulnerabilities
Slowing down a network
31
How many rows does a truth table with three inputs have?
4
6
12
8
32
Which operating system function manages running applications?
User management
Network security
Process management
File management
33
What is an embedded system?
A computer built into another device
A computer that only runs games
A server running multiple programs
A cloud-based computer
34
What does abstraction help with in computing?
Removing errors
Slowing down the CPU
Hiding unnecessary details
Reducing memory usage
35
What is abstraction in computing?
Adding complexity
Making a program run faster
Removing unnecessary details
Writing code
36
Which protocol is used for sending emails?
FTP
IMAP
SMTP
TCP
37
What is the role of the CPU in a computer?
Connects to the internet
Runs software updates
Stores files
Executes instructions
38
What is the main difference between a linear and a binary search?
Linear search requires sorted data
Binary search works on all lists
Linear search always takes longer
Binary search is faster on sorted data
39
What does the NOT logical operator do?
Outputs true if both inputs are false
Inverts the input
Only works with 3 inputs
Returns the same value
40
How does a mesh topology improve reliability?
By reducing internet speed
By encrypting all data
By having multiple pathways for data
By using a single connection
41
What does GDPR stand for?
Government Data Protection Registry
General Digital Privacy Rights
General Data Protection Regulation
Global Data Policy Rules
42
What unit is used to measure data storage?
Decibel
Hertz
Joule
Bit
43
Why are high-level programming languages easier to use?
They use human-readable syntax
They have fewer errors
They work only on one type of hardware
They execute faster than machine code
44
What is the purpose of the TCP/IP model?
To design network cables
To define how data is transmitted
To manage passwords
To create software applications
45
What does sample rate in digital audio determine?
The number of bits per sample
The size of the sound file
The number of samples per second
The pitch of the audio
46
How many bits are in a byte?
8
16
4
32
47
Why are computers connected in a network?
To slow down processing
To reduce data security
To share resources
To increase storage space
48
Which protocol is used for secure web browsing?
SMTP
HTTP
FTP
HTTPS
49
What is the purpose of an IP address?
Store web pages
Encrypt data
Speed up a network
Identify a device on a network
50
What does the AND logical operator return?
True if either input is true
False if either input is false
True if both inputs are true
False if both inputs are true
51
Which of these is an environmental issue associated with digital devices?
Increased energy consumption
Lower carbon emissions
Improved software updates
Faster internet speeds
52
Which network topology has a central switch?
Star
Bus
Ring
Mesh
53
Why do computers use binary?
It reduces storage space
It improves internet speed
It is easier for humans to understand
Computers only recognize on/off states
54
What type of network connects multiple LANs over a large area?
LAN
WAN
PAN
MAN
55
What determines image resolution?
Type of monitor
Number of pixels
The file size
The number of colors
56
What is decomposition in computational thinking?
Using a loop
Breaking down a problem into smaller parts
Writing code
Sorting data
57
How many bits are in a byte?
4
8
16
32
58
How is network speed measured?
Kilograms
Megahertz
Bits per second
Milliseconds
59
What is one ethical concern with collecting personal data?
Privacy invasion
Improved gaming experiences
Faster loading speeds
More accurate ads
60
What is open-source software?
Software that can’t be changed
Software that costs money
Software that is freely available and modifiable
Software that is closed to the public
61
Which loop type runs until a specific condition is false?
Infinite loop
Condition-controlled loop
Count-controlled loop
Sequential loop
62
What type of error occurs when a program runs but produces incorrect results?
Memory leak
Runtime error
Syntax error
Logic error
63
How many possible values can 4 bits represent?
32
16
8
64
64
How are bitmap images stored in binary?
As a list of pixels with color values
As a 3D object
As a single numerical value
As a compressed text file
65
What is the difference between lossy and lossless compression?
Lossless removes data, lossy retains all data
Lossy compression is only for images
Both remove the same amount of data
Lossy removes data, lossless retains all data
66
What is the role of the control unit in the CPU?
Stores program data
Performs calculations
Manages RAM
Controls the execution of instructions
67
What is the purpose of disk defragmentation?
Rearranging files for faster access
Compressing files
Repairing corrupt files
Encrypting stored data
68
What happens to electronic waste when not disposed of correctly?
It turns into compost
It is recycled safely
It disappears on its own
It contributes to pollution
69
What is a common concern with AI and robotics?
More stable internet
Accountability for decisions
Lower cost of devices
Improved software efficiency
70
Which operator is used to find the remainder of a division?
% (modulus)
*
/
** (exponentiation)
71
What is one way to reduce the environmental impact of digital devices?
Using devices for a longer time
Buying new devices frequently
Only using free software
Never using a computer
72
What does ASCII stand for?
Automated System for Character Input
American Standard Code for Information Interchange
Assigned System for Coding Instructions
Advanced System Coding for Internet Innovation
73
What is the purpose of an operating system?
Managing hardware and software
Increasing CPU clock speed
Running only security updates
Connecting to the internet
74
What number system does binary use?
Base 16
Base 2
Base 10
Base 8
75
What is a MAC address?
A hardware security protocol
A type of binary code
A unique identifier for network devices
A memory storage unit
76
What is the function of a router in a network?
To manage user accounts
To act as a firewall
To direct data packets between networks
To store internet history
77
How many values can a 4-bit binary pattern represent?
64
8
16
32
78
What is the purpose of software patents?
To increase computer speed
To protect software innovation
To slow down software development
To make software free
79
What does DNS stand for?
Direct Network Service
Domain Name System
Data Network System
Dynamic Naming System
80
What data structure stores multiple values in an ordered list?
String
Record
Array
Boolean
81
How do hackers exploit technical vulnerabilities?
By using outdated software
By following cybersecurity policies
By avoiding the internet
By installing antivirus
82
What is an advantage of proprietary software?
Cannot be hacked
Works only on one type of computer
Free to modify
More secure updates
83
Convert the denary number 13 to 8-bit binary.
1101
11000
11001100
11110000
84
What is latency in a network?
The speed of a processor
The encryption level
The bandwidth of a network
The delay in data transmission
85
What does the address bus do in a computer system?
Transfers data between devices
Carries the memory address
Encrypts data
Controls network connections
86
What is an algorithm?
A computer program
A programming language
A specific way to structure data
A set of instructions to solve a problem
87
How does backup software help in system maintenance?
Deletes old files
Creates copies of data
Speeds up internet connectivity
Improves CPU performance
88
Which type of storage is best for long-term archival data?
Magnetic tape
Cache memory
Solid-state drive (SSD)
RAM
89
What is a code review?
A network monitoring tool
A way to document software updates
A backup method for source code
A process to improve software security
90
What is one ethical issue in computing?
Low power consumption
Computer speed
Digital divide
Software updates
91
What is a character set?
A set of characters a computer can understand
A networking protocol
A type of sorting algorithm
A list of programming commands
92
What is two’s complement used for?
Compressing data
Storing negative numbers
Increasing processing speed
Encoding characters
93
What is the purpose of access control in network security?
To reduce latency
To increase bandwidth
To slow down network traffic
To restrict user access
94
What is phishing?
A cyber-attack where users are tricked into giving information
A type of firewall
A file compression method
A network protocol
95
What is a packet in networking?
A small chunk of data sent across a network
A user access control system
A type of encryption method
A software bug
96
What is a risk of artificial intelligence in decision-making?
Increased internet access
Faster processing speeds
Lower electricity usage
Algorithmic bias
97
Which is an example of intellectual property protection?
Deleting backups
Ignoring patents
Copyright
File sharing
98
Which language type is closest to machine code?
Low-level language
Scripting language
High-level language
Markup language
99
What is two-factor authentication?
Encrypting data twice
Requiring two forms of identity
Using two passwords
A type of virus
100
Why is frequent device replacement a problem?
It makes people happier
It increases e-waste
It increases employment
It speeds up internet

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