What is the purpose of disk defragmentation?

Rearranging files for faster access

A network in a small geographical area

A program that prevents unauthorized access

What is pattern recognition in computational thinking?

Identifying similarities in problems

How does the manufacturing of digital devices impact the environment?

Requires mining of rare materials

What does GDPR stand for?

General Data Protection Regulation

What is an embedded system?

A computer built into another device

What is the purpose of the TCP/IP model?

To define how data is transmitted

What is social engineering in cybersecurity?

Manipulating people to give up information

What is one way malware can infect a system?

Clicking on unknown email links

What is an algorithm?

A set of instructions to solve a problem

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

It makes problems more manageable

What is the role of the control unit in the CPU?

Controls the execution of instructions

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Answers

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

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