Operating Systems: Types, Functions, and Examples

Question 1

Which of the following is NOT a security measure used by operating systems to prevent unauthorized access?

Accepted Answer

Enabling unnecessary network ports

Answer

Password authentication

Answer

Data encryption

Answer

Biometric identification

Question 2

Which of the following is NOT a core component of an operating system that directly controls and manages computer hardware?

Accepted Answer

Application software

Answer

Kernel

Answer

Device drivers

Answer

File system

Question 3

In embedded systems, what is a common function of operating systems?

Accepted Answer

Managing the hardware and software resources of the device

Answer

Providing a user-friendly graphical interface

Answer

Establishing and maintaining network connections

Answer

Storing and processing large amounts of data

Question 4

What is the key difference between a process and a thread in an operating system?

Accepted Answer

A process is a running program, while a thread is a single task within that program.

Answer

A thread is a running program, while a process is a single task within that program.

Answer

Processes and threads are essentially the same.

Answer

A thread is a collection of processes running concurrently.

Question 5

The primary responsibility of an operating system is to:

Accepted Answer

Manage hardware and software resources

Answer

Provide a user interface

Answer

Run application programs

Answer

Store and retrieve data

Question 6

The main distinction between kernel-based and microkernel-based operating systems is that:

Accepted Answer

Kernel-based systems have a monolithic design, while microkernel-based systems have a modular design.

Answer

Kernel-based systems are more efficient, while microkernel-based systems are more secure.

Answer

Kernel-based systems are designed for large-scale systems, while microkernel-based systems are designed for smaller systems.

Answer

Microkernel-based systems are easier to develop than kernel-based systems.

Question 7

Virtual memory is used in operating systems primarily to:

Accepted Answer

Increase the amount of available physical memory

Answer

Enhance application performance

Answer

Improve system security

Answer

Reduce hardware expenses

Question 8

A real-time operating system is characterized by its:

Accepted Answer

Guaranteed response times

Answer

Ability to run multiple tasks simultaneously

Answer

Graphical user interface

Answer

Extensive network connectivity support

Question 9

In a local area network, which protocol is used for file sharing?

Accepted Answer

SMB

Answer

TCP/IP

Answer

HTTP

Answer

FTP

Question 10

Which of the following is a GUI-based operating system?

Accepted Answer

Macintosh OS

Answer

MS-DOS

Answer

Linux

Answer

Unix

Question 11

What is the role of the kernel in an operating system?

Accepted Answer

Manages memory and processes

Answer

Provides a command-line interface (CLI)

Answer

Runs applications

Answer

Stores user data

Question 12

Which file system is primarily used in Unix systems?

Accepted Answer

ext4

Answer

FAT32

Answer

NTFS

Answer

APFS

Question 13

What is the primary difference between a command-line interface (CLI) and a graphical user interface (GUI)?

Accepted Answer

CLI uses text commands, while GUI uses graphical icons.

Answer

GUI is more efficient than CLI.

Answer

CLI is more user-friendly than GUI.

Answer

GUI is only available on mobile devices.

Question 14

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

Accepted Answer

Initialising hardware and loading the operating system into memory

Answer

Managing user accounts

Answer

Executing applications

Answer

Storing user data

Question 15

Which of the following is an example of a real-time operating system?

Accepted Answer

QNX

Answer

Windows 10

Answer

iOS

Answer

Linux Ubuntu

Question 16

Which technological innovation marked a major turning point in the evolution of operating systems?

Accepted Answer

Introduction of graphical user interfaces (GUIs)

Answer

Integration of multitasking capabilities

Answer

Adoption of cloud computing services

Answer

Emergence of mobile operating systems

Question 17

What is the operating system's primary role in a computer system?

Accepted Answer

Acts as a bridge between hardware and software, enabling communication and data exchange.

Answer

Manages only software applications, allocating resources for efficient execution.

Answer

Protects data by providing a secure environment for storage and retrieval.

Question 18

Which of the following describes the type of operating system designed for a single user and only one task at a time?

Accepted Answer

Single-user, single-tasking

Answer

Multi-user, single-tasking

Answer

Multi-user, multi-tasking

Answer

Single-user, multi-tasking

Question 19

What is the main purpose of a graphical user interface (GUI) in an operating system?

Accepted Answer

Provides a user-friendly way to interact with the computer

Answer

Manages hardware resources

Answer

Translates user commands into machine code

Question 20

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

Accepted Answer

Serves as an interface between the operating system and hardware devices

Answer

Stores and retrieves data from storage devices

Answer

Manages user accounts and permissions

Question 21

What is the primary role of a file system in an operating system?

Accepted Answer

Organizes and manages files and directories on storage devices

Answer

Provides access to network resources

Answer

Handles input and output operations

Question 22

Which option is a common feature of multi-user operating systems?

Accepted Answer

User account management and permissions

Answer

Graphical user interface

Answer

Device drivers

Answer

Virtual memory management

Question 23

What is the main purpose of the kernel in an operating system?

Accepted Answer

Manages the interaction between software and hardware resources

Answer

Provides a user interface

Answer

Stores user files and data

Question 24

Which of the following is an example of an open-source operating system?

Accepted Answer

Linux

Answer

macOS

Answer

Android

Answer

Microsoft Windows