Computer Systems Learning Quizzes for Year 11 Computing Students

Question 1

Which of the following is NOT a cloud computing service model?

Accepted Answer

Data as a service (DaaS)

Answer

Infrastructure as a service (IaaS)

Answer

Platform as a service (PaaS)

Answer

Software as a service (SaaS)

Question 2

Which cloud computing service category does **Platform as a Service** (PaaS) belong to?

Accepted Answer

Platform as a Service (PaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Hardware as a Service (HaaS)

Question 3

Which of the following is NOT a recognized type of cloud computing service?

Accepted Answer

Hardware as a Service (HaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Database as a Service (DBaaS)

Question 4

Which component is NOT essential to a computer system?

Accepted Answer

Printer

Answer

CPU

Answer

Operating System

Answer

Memory

Question 5

Which network topology connects all devices to a single cable or bus?

Accepted Answer

Bus

Answer

Star

Answer

Ring

Answer

Mesh

Question 6

In a network topology, which configuration connects all devices to a central hub?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 7

What is the main purpose of an operating system?

Accepted Answer

Manage the computer's hardware and software resources.

Answer

Provide a way for users to interact with the computer.

Answer

Store and retrieve data from the computer's hard drive.

Answer

Run application software.

Question 8

An operating system acts as a bridge between the user and the computer's hardware. Which of these is NOT a task performed by an operating system?

Accepted Answer

Processing word documents

Answer

Managing the computer's memory

Answer

Controlling devices like printers and keyboards

Answer

Running software applications

Question 9

Which component in a computer system processes data and executes instructions?

Accepted Answer

Central Processing Unit (CPU)

Answer

Keyboard

Answer

Random Access Memory (RAM)

Answer

Monitor

Question 10

Which of the following is NOT a fundamental component of a computer system?

Accepted Answer

Instructions

Answer

Hardware

Answer

Software

Answer

Data

Question 11

In a star topology network, how are the devices connected?

Accepted Answer

To a central hub

Answer

In a straight line

Answer

In a circular pattern

Answer

To multiple other devices

Question 12

In a computer network, which topology enables unrestricted data flow between any two devices, irrespective of their physical locations?

Accepted Answer

Mesh

Answer

Star

Answer

Bus

Answer

Ring

Question 13

What connects the CPU to devices like printers and hard drives, allowing data to flow between them?

Accepted Answer

System bus

Answer

CPU (Central Processing Unit)

Answer

RAM (Random Access Memory)

Answer

Network card

Question 14

Which of the following is NOT a recognized cloud computing service model?

Accepted Answer

Hardware as a Service (HaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Question 15

Which characteristic is **not** essential for an algorithm?

Accepted Answer

Precision

Answer

Finiteness

Answer

Effectiveness

Answer

Definiteness

Question 16

Which logic operation is performed by a NAND gate in a digital logic circuit?

Accepted Answer

NOT AND

Answer

AND

Answer

NOT

Answer

OR

Question 17

In a mesh network, each device connects directly to all other devices. What is a key advantage of this connectivity?

Accepted Answer

Increased fault tolerance

Answer

Reduced bandwidth usage

Question 18

In a star network topology, how are devices connected?

Accepted Answer

To a central hub or switch

Answer

Directly to each other

Answer

In a closed loop

Question 19

Which component is NOT found within a microprocessor?

Accepted Answer

Memory

Answer

Control unit

Answer

Arithmetic logic unit

Question 20

Which data structure is ideal for storing a collection of distinct elements that can be retrieved quickly?

Accepted Answer

Set

Answer

List

Answer

Tree

Question 21

Which of the following is NOT a recognized cloud computing service model?

Accepted Answer

Network as a Service (NaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 22

Which of the following is used for temporary data storage?

Accepted Answer

Random access memory

Answer

Hard disk drive

Answer

Solid-state drive

Answer

Optical disc

Question 23

Which of the following is not a type of operating system?

Accepted Answer

File system

Answer

Real-time operating system

Answer

Single-user operating system

Answer

Multi-user operating system

Question 24

Which of the following is NOT an operating system commonly used on personal computers?

Accepted Answer

BIOS

Answer

Windows

Answer

macOS

Answer

Chrome OS

Question 25

To optimize data transfer and processing, which factor is crucial when designing a computer system?

Accepted Answer

Bus speed and bandwidth

Answer

Operating system version

Answer

Number of users accessing the system

Question 26

Which component is **NOT** essential in a von Neumann architecture computer system?

Accepted Answer

Network Interface Card

Answer

CPU

Answer

Memory

Answer

Input/Output Devices

Question 27

In a computer network, what are the advantages and drawbacks of using a bus topology?

Accepted Answer

Advantages: Simple setup and maintenance; Disadvantages: Susceptible to network collisions, restricted bandwidth.

Answer

Advantages: High bandwidth, low latency; Disadvantages: Troubleshooting challenges, high cost.

Answer

Advantages: Dependable, secure; Disadvantages: Limited scalability, expensive.

Question 28

What is a system bus, and how does it facilitate communication within a computer system?

Accepted Answer

A physical pathway connecting components for data and signal transfer.

Answer

A software program managing data flow between components.

Answer

A network connecting multiple computers for resource sharing.

Answer

A storage device holding the operating system and programs.

Question 29

In a computer system, what is the primary function of an operating system?

Accepted Answer

Manage and coordinate hardware and software resources.

Answer

Store user data and applications.

Answer

Perform complex mathematical calculations.

Answer

Establish and maintain internet connections.

Question 30

Question: Explain the benefits of using software engineering methodologies in the development and maintenance of complex software systems.

Accepted Answer

Methodologies provide a structured approach, ensuring consistency, reducing errors, and managing complexity in software development.

Answer

Methodologies are only suitable for large-scale software projects.

Answer

Methodologies focus solely on testing and debugging software, neglecting design and development.

Answer

Methodologies stifle creativity and innovation in software development.

Question 31

In cloud computing, which ethical consideration is paramount when managing data?

Accepted Answer

Protecting data from unauthorized access and breaches

Answer

Maximizing storage capacity for cost-effectiveness

Answer

Allowing unrestricted data sharing among cloud users

Answer

Prioritizing data collection for commercial gain

Question 32

How can computer networks be designed to optimize performance for specific applications, such as video streaming, online gaming, or data-intensive scientific simulations?

Accepted Answer

Select a network topology that aligns with the application's traffic patterns and requirements.

Answer

Treat all network traffic equally, regardless of application needs.

Answer

Always choose the highest bandwidth connections available.

Question 33

How can we ensure that artificial intelligence (AI) systems are designed and deployed responsibly and without bias in computer systems?

Accepted Answer

Prioritize fairness, minimize bias, and provide transparency in AI decision-making.

Answer

Limit AI systems to safe tasks with no potential risks.

Answer

Government regulations alone can prevent AI misuse.

Answer

AI systems are inherently ethical and require no special considerations.

Question 34

Which of the following is not a type of computer network?

Accepted Answer

Wireless Fidelity (Wi-Fi)

Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Personal Area Network (PAN)

Question 35

Which hardware component is responsible for processing data in a computer system?

Accepted Answer

Central Processing Unit (CPU)

Answer

Random Access Memory (RAM)

Answer

Hard Disk Drive (HDD)

Answer

Graphics Processing Unit (GPU)

Question 36

What is the primary purpose of an operating system?

Accepted Answer

Manage hardware and software resources

Answer

Provide a user-friendly interface

Answer

Run application software

Answer

Store and retrieve data

Question 37

Which type of software is used to create and edit text-based documents?

Accepted Answer

Word processor

Answer

Spreadsheet

Answer

Database management system

Answer

Web browser

Question 38

Which characteristic distinguishes a von Neumann architecture computer system?

Accepted Answer

Data and instructions are stored in the same memory locations

Answer

Data and instructions are stored in separate memory locations

Answer

It has multiple processors for parallel processing

Answer

It uses a separate input/output unit

Question 39

What is the primary function of a compiler in a computer system?

Accepted Answer

Translate high-level language code into machine code

Answer

Interpret high-level language code line by line

Answer

Execute machine code instructions

Answer

Debug high-level language code

Question 40

Which data structure allows elements to be accessed in a specific sequence?

Accepted Answer

Array

Answer

Linked list

Answer

Queue

Answer

Stack

Question 41

What is the purpose of a firewall in a computer network?

Accepted Answer

Prevent unauthorized access to the network

Answer

Connect different networks

Answer

Provide a secure connection between two computers

Answer

Store data

Question 42

Which cloud computing service model provides users with virtual servers?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Function as a Service (FaaS)

Question 43

Which component is not essential for a functional computer system?

Accepted Answer

Applications

Answer

Processor

Answer

Memory

Answer

Operating System

Question 44

Identify the component responsible for executing program instructions:

Accepted Answer

CPU

Answer

RAM

Answer

Hard Drive

Answer

Motherboard

Question 45

Which type of memory is susceptible to data loss when the computer is turned off?

Accepted Answer

RAM

Answer

EEPROM

Answer

ROM

Answer

Cache Memory

Question 46

Select the software that oversees hardware resources and offers essential system services:

Accepted Answer

Operating System

Answer

Application Software

Answer

Firmware

Answer

Device Driver

Question 47

Which device allows users to input data into the computer system?

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Speaker

Question 48

In a star network topology, how are nodes connected?

Accepted Answer

To a central hub

Answer

To each other in a linear fashion

Answer

In a circular arrangement

Answer

Through multiple interconnected paths

Question 49

What metric measures the rate at which data is transmitted over a network?

Accepted Answer

Bandwidth

Answer

Latency

Answer

Jitter

Answer

Throughput

Question 50

Which process converts high-level programming code into machine-readable instructions?

Accepted Answer

Compilation

Answer

Interpretation

Answer

Assembly

Answer

Linking

Question 51

Which of the following is NOT a type of software?

Accepted Answer

Processor

Answer

Operating System

Answer

Application Software

Answer

Utility Software

Question 52

Which of the following is NOT a fundamental component of a computer network?

Accepted Answer

Printer

Answer

Computer

Answer

Router

Answer

Data cable

Question 53

What is the primary function of a central processing unit (CPU)?

Accepted Answer

To execute instructions

Answer

To store data

Answer

To connect external devices

Answer

To manage user interactions

Question 54

What is the purpose of random access memory (RAM) in a computer system?

Accepted Answer

To temporarily hold data being processed by the CPU

Answer

To store permanent data

Answer

To boot the computer's operating system

Answer

To display visual information

Question 55

Which of the following is a primary benefit of using a network in a computer system?

Accepted Answer

Enhanced resource sharing capabilities

Answer

Increased data security measures

Answer

Reduced hardware costs

Answer

Improved data storage efficiency

Question 56

What is the primary function of a bus in a computer system?

Accepted Answer

To connect different system components

Answer

To store data

Answer

To regulate data flow

Answer

To supply power

Question 57

Which of the following is a defining characteristic of a distributed computer system?

Accepted Answer

Resource sharing among multiple interconnected computers

Answer

Centralised processing and decision-making

Answer

Parallel processing capabilities

Answer

Single point of failure vulnerability

Question 58

What is the fundamental difference between synchronous and asynchronous data transfer methods?

Accepted Answer

Synchronous requires a clock signal, while asynchronous does not.

Answer

Asynchronous requires a clock signal, while synchronous does not.

Answer

Both methods require a clock signal.

Answer

Neither method requires a clock signal.

Question 59

Which of the following is not a commonly used computer network topology?

Accepted Answer

Parallel

Answer

Bus

Answer

Ring

Answer

Star

Question 60

What is the main purpose of a firewall in a computer network?

Accepted Answer

To prevent unauthorised access and cyber threats

Answer

To monitor network activity

Answer

To enhance network performance

Answer

To store sensitive user data

Question 61

Edge computing is a growing trend in the tech industry. What's a major advantage of using edge computing?

Accepted Answer

Faster data processing

Answer

Less need for cloud computing

Answer

Better security

Question 62

How does cloud computing enhance resource management in existing computer systems?

Accepted Answer

Dynamically assigns resources based on changing needs

Answer

Eliminates the requirement for physical hardware

Answer

Requires specialized hardware setups

Answer

Supports only certain operating systems and applications

Question 63

What is the main purpose of a network interface card (NIC) in a computer system?

Accepted Answer

Connect the computer to a network

Answer

Connect the processor to memory

Answer

Convert digital signals to analog signals

Answer

Provide permanent storage for data

Question 64

What is a network security threat?

Accepted Answer

An action or event that can harm, disrupt, or compromise a network or its data.

Answer

A specific type of malware that targets and damages network systems.

Answer

A hardware malfunction that causes a network to become inoperable.

Answer

A natural disaster that damages network infrastructure, such as cables or routers.