Computer Systems: A Comprehensive Guide for Beginners

Question 1

How has Moore's Law influenced the development and future of computer technology?

Accepted Answer

Moore's Law predicts a doubling of transistors, leading to faster and more powerful computers.

Answer

Moore's Law has mainly affected the size and portability of computers.

Answer

Moore's Law has no significant impact on the future of computer technology.

Question 2

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

Accepted Answer

Users

Answer

Hardware

Answer

Software

Answer

Networks

Question 3

Which type of software acts as an intermediary between the user and the hardware, providing instructions for the hardware to follow?

Accepted Answer

System software

Answer

Application software

Answer

Utility software

Answer

Malware

Question 4

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

Accepted Answer

To facilitate communication between the computer and other devices over a network

Answer

To store and retrieve data

Answer

To perform calculations and process data

Answer

To supply electrical power to the computer

Question 5

What is the main function of a firewall in a computer system?

Accepted Answer

To prevent unauthorized access and protect the system from malicious attacks

Answer

To improve the overall performance and speed of the system

Answer

To securely store user data and files

Answer

To establish connections with other networks

Question 6

What is the key distinction between a compiler and an interpreter in software development?

Accepted Answer

A compiler analyzes and translates an entire program into machine code before execution, while an interpreter executes the program line by line.

Answer

An interpreter analyzes and translates an entire program into machine code before execution, while a compiler executes the program line by line.

Answer

Compilers generally execute faster than interpreters.

Answer

Interpreters are more efficient than compilers.

Question 7

Which of the following is NOT a recognized type of computer architecture?

Accepted Answer

Sequential Architecture

Answer

Von Neumann Architecture

Answer

Harvard Architecture

Answer

Modified Harvard Architecture

Question 8

Which component is NOT found in a typical computer system?

Accepted Answer

Users

Answer

Hardware

Answer

Software

Answer

Networks

Question 9

Which hardware component is primarily responsible for storing programs and data?

Accepted Answer

Storage

Answer

Processor

Answer

Memory

Answer

Graphics card

Question 10

How do Local Area Networks (LANs) differ from Wide Area Networks (WANs)?

Accepted Answer

LANs connect devices within a limited area, while WANs connect devices over greater distances.

Answer

LANs cover larger geographical areas than WANs.

Answer

LANs typically have lower data transfer rates than WANs.

Answer

LANs are usually privately owned, while WANs are publicly accessible.

Question 11

What is the primary role of a router in a network?

Accepted Answer

Directing network traffic

Answer

Connecting devices to the network

Answer

Providing internet access

Answer

Storing data

Question 12

Which cloud computing service model involves renting access to software applications over the internet?

Accepted Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Function as a Service (FaaS)

Question 13

Identify the component that is NOT part of a computer system.

Accepted Answer

Environment

Answer

Hardware

Answer

Software

Answer

Peripherals

Question 14

Which physical element represents the tangible components of a computer system?

Accepted Answer

Hardware

Answer

Software

Answer

Firmware

Answer

Algorithm

Question 15

Identify the type of software that manages the overall operations of a computer system.

Accepted Answer

Operating System

Answer

Application Software

Answer

Utility Software

Answer

Programming Language

Question 16

What is the primary purpose of a computer network?

Accepted Answer

Connecting devices to enable resource sharing

Answer

Storing large amounts of data

Answer

Executing complex calculations

Answer

Displaying graphical information

Question 17

Which component within a computer system is primarily responsible for performing calculations and executing instructions?

Accepted Answer

CPU (Central Processing Unit)

Answer

RAM (Random Access Memory)

Answer

HDD (Hard Disk Drive)

Answer

GPU (Graphics Processing Unit)

Question 18

Which software component acts as the intermediary between the user and the computer, facilitating interaction?

Accepted Answer

Operating System

Answer

Web Browser

Answer

Word Processor

Answer

Database Management System

Question 19

What is the primary function of a computer network?

Accepted Answer

Connecting multiple devices for data exchange

Answer

Providing long-term data storage

Answer

Processing user input and generating output

Answer

Controlling the flow of data within a computer

Question 20

Which type of computer memory loses its stored data when the computer is powered off?

Accepted Answer

RAM (Random Access Memory)

Answer

ROM (Read-Only Memory)

Answer

Cache Memory

Answer

Hard Disk Drive

Question 21

What is the main function of a computer bus?

Accepted Answer

Facilitating communication between computer components

Answer

Storing instructions and data for processing

Answer

Controlling the flow of data within the CPU

Answer

Converting digital signals to analog signals

Question 22

Which computer architecture type leverages multiple processors working simultaneously?

Accepted Answer

Parallel Architecture

Answer

Von Neumann Architecture

Answer

Harvard Architecture

Answer

RISC Architecture

Question 23

In software development, what is the primary function of a compiler?

Accepted Answer

Translates high-level code into machine instructions

Answer

Executes the compiled program code

Answer

Combines separate code modules

Answer

Optimizes code for improved performance

Question 24

Which trait is fundamental to open-source software licenses?

Accepted Answer

Users are permitted to modify and distribute the software

Answer

The software is protected by copyright and cannot be shared

Answer

Users are required to pay a fee for software use

Answer

The software's source code is not accessible

Question 25

What is the core purpose of a cloud-computing platform?

Accepted Answer

Provides access to shared computing resources via the internet

Answer

Stores vast amounts of data and manages it

Answer

Protects data against hacking and other threats

Answer

Develops and deploys software applications

Question 26

Within computer system security, what is a primary concern?

Accepted Answer

Safeguarding data against unauthorized access

Answer

Preventing system failures and data loss

Answer

Optimizing system performance

Answer

Managing user accounts and their permissions

Question 27

In a computer system, which component carries out data processing and instruction execution?

Accepted Answer

Central processing unit (CPU)

Answer

Input device

Answer

Output device

Answer

Storage device

Question 28

What category of software provides the essential functionality of a computer system, such as hardware resource management and user interface?

Accepted Answer

System software

Answer

Application software

Answer

Utility software

Answer

Development software

Question 29

Which network topology involves connecting all devices to a central point?

Accepted Answer

Star

Answer

Ring

Answer

Bus

Answer

Mesh

Question 30

In a computer system, what is the purpose of RAM?

Accepted Answer

Stores data and programs being processed

Answer

Stores data and programs not currently being processed

Answer

Executes calculations and logical operations

Answer

Connects various computer components

Question 31

What type of input device is utilized to scan barcodes?

Accepted Answer

Scanner

Answer

Keyboard

Answer

Mouse

Answer

Microphone

Question 32

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

Accepted Answer

Prevent unauthorized access and protect against cyber threats.

Answer

Store user data

Answer

Connect different networks

Answer

Enhance network performance

Question 33

Which cloud computing service model offers access to pre-configured computing infrastructure?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Serverless Computing

Answer

Software as a Service (SaaS)

Question 34

How does data representation contribute to the functionality of a computer system?

Accepted Answer

It enables efficient data storage and manipulation.

Answer

It eliminates the need for computers to understand the data they process.

Answer

It is a concept only applicable to advanced programming languages.

Answer

It functions independently of the hardware and software in use.

Question 35

What is the primary function of an operating system?

Accepted Answer

Managing system resources, providing a user interface, and coordinating hardware operations

Answer

Translating high-level language code into machine code

Answer

Developing and testing software applications

Answer

Protecting the computer system from viruses and other threats

Question 36

Which of the following components is considered a software element in a computer system?

Accepted Answer

Operating System

Answer

Hard Drive

Answer

RAM

Answer

CPU

Question 37

What is the primary function of an operating system in a computer?

Accepted Answer

Manage computer resources and coordinate application execution.

Answer

Execute user-written programs

Answer

Store and retrieve data permanently

Answer

Connect to networks and peripherals

Question 38

Which network topology features a central node to which all other devices are directly connected?

Accepted Answer

Star

Answer

Mesh

Answer

Bus

Answer

Ring

Question 39

What is the key role of a compiler in software development?

Accepted Answer

Convert high-level source code into machine-readable instructions.

Answer

Manage data and execute queries

Answer

Provide a graphical user interface for coding

Answer

Control hardware components

Question 40

Which type of hardware is primarily used for long-term data storage in a computer system?

Accepted Answer

Hard Disk Drive

Answer

CPU

Answer

RAM

Answer

Monitor

Question 41

What is the primary function of an Internet Service Provider (ISP) in computer networking?

Accepted Answer

Allowing users to access the internet and related services.

Answer

Managing and controlling computer networks.

Answer

Developing and maintaining network protocols.

Question 42

Which of the following is not a characteristic of a computer virus?

Accepted Answer

Improves system performance

Answer

Ability to replicate itself

Answer

Potential to spread through networks

Answer

Capacity to damage files and systems

Question 43

What is the primary purpose of a firewall in network security?

Accepted Answer

Monitor and control incoming and outgoing network traffic.

Answer

Monitor network activity for unauthorized access.

Answer

Provide secure remote access to networks.

Answer

Detect and remove malware from computer systems.

Question 44

Which of the following is not an advantage of using cloud computing?

Accepted Answer

Limited scalability and flexibility

Answer

Pay-as-you-go pricing model

Answer

Enhanced collaboration and remote access

Answer

Reduced infrastructure costs

Question 45

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

Accepted Answer

Connects and facilitates communication between different hardware components.

Answer

Converts alternating current (AC) to direct current (DC) for use by the computer.

Answer

Stores and retrieves data and programs.

Question 46

Which component of a computer system is responsible for processing data and executing instructions?

Accepted Answer

Central Processing Unit (CPU)

Answer

Solid State Drive (SSD)

Answer

Random Access Memory (RAM)

Answer

Graphics Processing Unit (GPU)

Question 47

Which type of software is responsible for managing the hardware and software resources of a computer system?

Accepted Answer

Operating system

Answer

Utility software

Answer

Application software

Answer

Programming language

Question 48

What is the term for a system of interconnected computers that share resources and communicate with each other?

Accepted Answer

Network

Answer

Internet

Answer

Intranet

Answer

Bus

Question 49

Which of the following is not typically considered a core component of a personal computer?

Accepted Answer

Modem

Answer

Power supply

Answer

Hard disk drive

Answer

Motherboard

Question 50

What is the main purpose of cache memory in a computer system?

Accepted Answer

To store frequently accessed data and improve performance.

Answer

To store large files and programs.

Answer

To provide additional memory capacity.

Answer

To connect different hardware components.

Question 51

What is the function of a web browser?

Accepted Answer

To display web pages

Answer

To run software applications

Answer

To manage files and folders

Answer

To create and edit documents

Question 52

Which of the following is a common operating system for mobile devices?

Accepted Answer

Android

Answer

Windows

Answer

Linux

Answer

macOS

Question 53

What is the purpose of a firewall?

Accepted Answer

To protect a network from unauthorized access

Answer

To improve network performance

Answer

To connect different networks

Answer

To store data backups

Question 54

Which of the following is a type of cloud computing service?

Accepted Answer

Software as a Service (SaaS)

Answer

Firewall

Answer

Network switch

Answer

Virtual Private Network (VPN)