Functions of an Operating System: Online Learning Quizzes

Question 1

Which of the following is NOT among the core functions of an operating system?

Accepted Answer

Translating high-level language into machine code

Answer

Managing memory

Answer

Scheduling processes

Answer

Providing security

Question 2

Which memory management technique divides memory into fixed-size blocks called 'pages' and allocates them to processes as needed?

Accepted Answer

Paging

Answer

Segmentation

Answer

Virtual memory

Answer

Swapping

Question 3

Which security measure verifies the identity of users trying to access a resource?

Accepted Answer

Authentication

Answer

Authorization

Answer

Encryption

Answer

Firewalls

Question 4

Which operating system component is responsible for controlling and allocating memory resources?

Accepted Answer

Memory manager

Answer

Kernel

Answer

File system

Answer

Process scheduler

Question 5

What is the primary purpose of process scheduling in an operating system?

Accepted Answer

To determine the order and duration of execution for running processes

Answer

To handle input and output operations

Answer

To manage file storage

Question 6

What is the key goal of memory management in an operating system?

Accepted Answer

To optimize the allocation and utilization of available memory resources

Answer

To speed up data access

Answer

To prevent data loss

Question 7

Which of the following is a significant advantage of using an operating system?

Accepted Answer

Improved efficiency and resource utilization

Answer

Increased hardware costs

Answer

Reduced user control

Answer

Limited software compatibility

Question 8

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

Accepted Answer

Core component that provides essential services and manages hardware resources

Answer

Graphical user interface that allows user interaction

Answer

Application that runs specific tasks

Question 9

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

Accepted Answer

To enable communication between the operating system and hardware devices

Answer

To optimize the performance of specific applications

Answer

To manage user accounts and permissions

Question 10

Which of the following is a key characteristic of a multi-user operating system?

Accepted Answer

Allows multiple users to access and use the system simultaneously

Answer

Only runs on high-powered servers

Answer

Has a limited number of available applications

Question 11

What is the primary responsibility of an operating system?

Accepted Answer

Managing system resources and coordinating hardware and software operations.

Answer

Executing and running user applications.

Answer

Providing a user-friendly graphical interface.

Question 12

Which core function of memory management involves assigning and releasing memory to processes?

Accepted Answer

Memory allocation and deallocation.

Answer

Providing access to virtual memory.

Answer

Swapping processes between memory and storage.

Answer

Managing shared memory.

Question 13

What is the primary objective of process scheduling in an operating system?

Accepted Answer

Determining which processes to execute and when.

Answer

Managing resource allocation.

Answer

Creating new processes.

Answer

Terminating processes after execution.

Question 14

What is the primary responsibility of the operating system kernel?

Accepted Answer

Providing essential system services and managing hardware.

Answer

Executing user applications and software.

Answer

Presenting a graphical user interface to users.

Question 15

Which scheduling algorithm, used by operating systems, follows the order of process arrival?

Accepted Answer

First-come, first-served.

Answer

Shortest job first.

Answer

Priority-based scheduling.

Answer

Round-robin scheduling.

Question 16

What is the primary benefit of virtual memory in an operating system?

Accepted Answer

Enabling processes to access more memory than physically available.

Answer

Improving multitasking capabilities.

Answer

Expanding storage capacity for large files.

Question 17

Which of the following is a primary design objective for operating systems?

Accepted Answer

Optimizing efficiency and overall performance.

Answer

Ensuring compatibility across various hardware.

Answer

Prioritizing security features.

Answer

Providing the most user-friendly experience.

Question 18

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

Accepted Answer

Managing the organization and storage of files.

Answer

Regulating access to hardware devices.

Answer

Scheduling and executing processes.

Answer

Providing a user interface for command-line interaction.

Question 19

Which of the following is an example of a multi-user operating system?

Accepted Answer

Linux.

Answer

Microsoft Excel.

Answer

Microsoft Edge.

Answer

Adobe Illustrator.

Question 20

Which of the following is NOT a primary function of an operating system?

Accepted Answer

Word processing

Answer

Input/output control

Answer

User interface management

Answer

Memory management

Question 21

Which component of an operating system is responsible for allocating memory to processes and managing its usage?

Accepted Answer

Memory management module

Answer

Device driver

Answer

File system manager

Answer

Process scheduler

Question 22

Which component of an operating system determines which processes will run and when?

Accepted Answer

Process scheduler

Answer

Kernel

Answer

File manager

Answer

Security module

Question 23

Which of the following is a benefit of using a multi-user operating system?

Accepted Answer

Resource sharing

Answer

Increased processing speed

Answer

Improved data accuracy

Answer

Enhanced security

Question 24

Which of the following types of operating systems is most commonly used in embedded devices that require real-time response?

Accepted Answer

Real-time

Answer

Time-sharing

Answer

Batch

Answer

Multi-user

Question 25

Which of the following is a responsibility of the file system manager in an operating system?

Accepted Answer

Organizing and managing files and directories

Answer

Managing memory allocation

Answer

Enforcing security measures

Answer

Scheduling processes

Question 26

Which of the following is NOT a security function of an operating system?

Accepted Answer

Data compression

Answer

Access control

Answer

User authentication

Answer

Malware detection

Question 27

Which of the following is an example of a device driver?

Accepted Answer

Printer driver

Answer

Web browser

Answer

Database management system

Answer

Antivirus software

Question 28

Which of the following is NOT a primary function of an operating system?

Accepted Answer

Word processing

Answer

Process scheduling

Answer

Memory management

Answer

Device management

Question 29

What is the primary role of a memory manager within an operating system?

Accepted Answer

Allocating and deallocating memory to running programs.

Answer

Providing a graphical user interface.

Answer

Protecting the system from malicious software.

Answer

Managing the execution order of user tasks.

Question 30

Which scheduling algorithm aims to give each process an equal share of the CPU's time?

Accepted Answer

Round-robin

Answer

Priority-based

Answer

First-come first-served

Answer

Shortest-job-first

Question 31

What is the main purpose of a system call within an operating system?

Accepted Answer

To request services from the operating system kernel.

Answer

To handle hardware interrupts.

Answer

To create a graphical user interface.

Answer

To manage user processes.

Question 32

What is the key benefit of using a multi-user operating system?

Accepted Answer

Multiple users can simultaneously access and share system resources.

Answer

Reduced memory usage compared to single-user systems.

Answer

Simplified management of user accounts and permissions.

Answer

Significantly faster processing speed for all tasks.

Question 33

What is a virtual machine?

Accepted Answer

A simulated computer environment that runs within another computer system.

Answer

A type of program used for creating complex visualizations.

Answer

A software tool for managing network devices.

Answer

A hardware device that enhances the performance of an operating system.

Question 34

Which operating system function is responsible for effectively allocating memory to different programs?

Accepted Answer

Memory management

Answer

Security

Answer

File management

Answer

Process scheduling

Question 35

Which operating system function is responsible for efficiently switching between different applications running simultaneously?

Accepted Answer

Process scheduling

Answer

Device management

Answer

File management

Answer

Security

Question 36

Which operating system function is primarily responsible for implementing security policies and access controls to protect sensitive data?

Accepted Answer

Security

Answer

Process scheduling

Answer

File management

Answer

Memory management

Question 37

Which of the following is NOT a core function of an operating system?

Accepted Answer

Developing software applications

Answer

Ensuring system security

Answer

Managing hardware resources

Answer

Providing a user interface

Question 38

Which operating system function helps users organize and manage files and folders efficiently?

Accepted Answer

File management

Answer

Process scheduling

Answer

Memory management

Answer

Security

Question 39

Which operating system function is responsible for managing the interaction between the hardware and software components of a computer system?

Accepted Answer

Device management

Answer

Process scheduling

Answer

Memory management

Answer

File management

Question 40

A user has multiple programs running simultaneously. The operating system needs to allocate the CPU time efficiently among these programs. Which function is responsible for this?

Accepted Answer

Process scheduling

Answer

Memory management

Answer

File management

Question 41

Which of the following operating system functions allows users to interact with the system and launch applications?

Accepted Answer

User interface

Answer

Memory management

Answer

Security

Answer

File management

Question 42

A user wants to copy a file from one location to another. Which operating system function is primarily responsible for this task?

Accepted Answer

File management

Answer

Process scheduling

Answer

Memory management

Answer

Device management

Question 43

Which operating system function is responsible for protecting the system from viruses and other malicious software?

Accepted Answer

Security

Answer

File management

Answer

Memory management

Answer

Process scheduling

Question 44

Which of the following is NOT a primary function of an operating system?

Accepted Answer

Word processing

Answer

Memory management

Answer

Security

Answer

Process scheduling

Question 45

Which OS component is responsible for allocating and managing memory resources?

Accepted Answer

Memory manager

Answer

File manager

Answer

Security manager

Answer

Process scheduler

Question 46

Which scheduling algorithm prioritizes processes based on their arrival time?

Accepted Answer

First Come First Served (FCFS)

Answer

Shortest Job First (SJF)

Answer

Round-robin scheduling

Answer

Priority scheduling

Question 47

Which OS mechanism protects the system from unauthorized access and malicious software?

Accepted Answer

Security manager

Answer

Memory manager

Answer

File manager

Answer

Device manager

Question 48

Which of the following is a benefit of using a graphical user interface (GUI) in an operating system?

Accepted Answer

Enhanced user experience

Answer

Reduced memory consumption

Answer

Improved security

Answer

Faster boot times

Question 49

Which component of an operating system provides access to and manages hardware devices?

Accepted Answer

Device manager

Answer

Process scheduler

Answer

File manager

Question 50

Which of the following is a type of operating system kernel?

Accepted Answer

Monolithic kernel

Answer

Virtual machine

Answer

Hypervisor

Answer

Container

Question 51

Which OS component provides a user interface for interacting with the operating system?

Accepted Answer

Shell

Answer

Interpreter

Answer

Compiler

Answer

Debugger

Question 52

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

Accepted Answer

QNX

Answer

Android

Answer

macOS Big Sur

Answer

Windows Server