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🏆 Final Exam

Test your knowledge across all GCSE Computer Science modules with 30 MCQs.

🏆 Level 1

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Q1: Give an example of Image file size.

Width × Colour depth
Width × Height × Resolution
Width × Height × Colour depth / 8
Colour depth × Resolution

Q2: How does AI ethics work?

Technology ethics
Computer ethics
Ethical issues related to artificial intelligence
Data ethics

Q3: How does Data Protection Act work?

Computer Misuse Act
Copyright Act
GDPR
UK law protecting personal data

Q4: Define RAM.

Hard disk drive
Read-Only Memory (non-volatile)
Random Access Memory (volatile)
Solid state drive

Q5: How does Accessibility work?

Inclusion
Usability
Design for all
Making technology usable for everyone

Q6: How does Efficiency work?

How correct an algorithm is
How long an algorithm is
How complex an algorithm is
How well an algorithm uses resources

Q7: Give an example of Time complexity.

How time increases with input size
How memory increases with input size
How speed increases with input size
How cost increases with input size

Q8: Define Merge sort.

Dividing the list and merging sorted halves
Sorting by selection
Repeatedly swapping adjacent elements
Inserting each element into its correct place

Q9: Give an example of Hexadecimal.

Base‑10
Base‑2
Base‑16 number system
Base‑8

Q10: How does Variable work?

A function
A named storage location for data
A constant value
A loop

Q11: Why is RAM important in computer science?

Read-Only Memory (non-volatile)
Solid state drive
Random Access Memory (volatile)
Hard disk drive

Q12: What is ROM?

Read-Only Memory (non-volatile)
Random Access Memory (volatile)
Solid state drive
Hard disk drive

Q13: Explain IP address.

DNS address
MAC address
Unique identifier for a device on a network
Physical address of a device

Q14: Give an example of Object.

A class definition
A data type
A function
An instance of a class

Q15: Define Iteration.

Code that calls a function
Code that makes a choice
Code executed in order
Repeating code (loops)

Q16: Why is Bit depth important in computer science?

Number of channels
File size
Number of bits per sample
Number of samples per second

Q17: Give an example of Surveillance.

Privacy
Authentication
Monitoring people's activities
Security

Q18: Explain Biometrics.

Using tokens
Using encryption
Using passwords
Using physical traits for authentication

Q19: How does Switch work?

Connects networks
Amplifies signals
Connects devices on a network
Filters traffic

Q20: Give an example of Return value.

The value printed to the screen
The value stored in a variable
The value a function sends back
The value passed to a function

Q21: Why is Symmetric encryption important in computer science?

Same key for encryption and decryption
Different key for encryption and decryption
Public key encryption
No key

Q22: Why is Virtual memory important in computer science?

Using RAM as extra storage
Using the network as memory
Using secondary storage as extra RAM
Using cache as RAM

Q23: What is Performance factors?

Network speed
Clock speed, cache, number of cores
Colour depth, resolution
Screen size, keyboard type

Q24: Explain Mesh topology.

All devices connected to each other
All devices connected to a central hub
All devices connected in a line
All devices connected in a ring

Q25: Give an example of TCP/IP.

Total Control Protocol
Technical Control Protocol
Transfer Control Protocol
Transmission Control Protocol / Internet Protocol

Q26: How does OSI model work?

7‑layer reference model for networking
7‑layer protocol suite
5‑layer model
Internet model

Q27: Explain Virtual memory.

Using RAM as extra storage
Using cache as RAM
Using secondary storage as extra RAM
Using the network as memory

Q28: Explain Inheritance.

Defining a function
Creating an object
Deriving a new class from an existing one
Encapsulating data

Q29: How does RAM work?

Read-Only Memory (non-volatile)
Solid state drive
Hard disk drive
Random Access Memory (volatile)

Q30: Give an example of AI ethics.

Ethical issues related to artificial intelligence
Computer ethics
Data ethics
Technology ethics

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