#1 Operating System Test - 69+ MCQs: Operating System Quiz: Test Your Knowledge with Operating System Questions and Answers

1. What is the 'shell' in the context of an operating system?

A protective outer layer of the computer

A type of operating system for submarines

A user interface for interacting with the operating system

A part of the computer's hardware

2. What is the main purpose of the 'Task Manager' in Windows?

To play games

To browse the internet

To manage running processes and applications

To create documents

3. What is 'system call' in the context of operating systems?

A call for technical support

A request for a system upgrade

An interface for applications to request services from the operating system

A call made to report system errors

4. Which component of the operating system is responsible for managing memory?

Kernel

Compiler

Scheduler

File system

5. Which file system is commonly used in Windows operating systems?

NTFS

HFS+

EXT4

FAT32

6. What is a race condition in multi-threaded programming, and how can it be avoided?

A race condition is a competition between multiple threads to access shared resources, leading to unpredictable and undesirable behavior. It can be avoided using mutexes (mutual exclusion) or synchronization primitives.

A race condition is a type of marathon race organized for programmers. It can be avoided by training harder.

A race condition is a situation where one thread is faster than others, and it cannot be avoided.

A race condition is a condition that occurs only in single-threaded programs.

7. What is 'RAID' in the context of storage management in operating systems?

A type of computer virus

A technique for data backup

A system for controlling external devices

A method of combining multiple disks to improve performance and redundancy

8. What is the purpose of a kernel in an operating system?

To manage hardware resources

To provide a graphical user interface

To execute user applications

To store system logs

9. Which operating system is known for its use in gaming consoles like the PlayStation?

Windows

Linux

iOS

PlayStation OS

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

A process is a standalone program with its own memory space, while a thread is a smaller unit of a process that shares the same memory space as other threads in the same process.

A process and a thread are the same thing; the terms are used interchangeably.

A process is a collection of threads, and a thread is a collection of processes.

A process and a thread both refer to the same concept in an operating system.

11. In the context of operating systems, what does 'CLI' stand for?

Common Language Interface

Command Line Interface

Control Language Interpreter

Computer Language Interface

12. Which operating system is known for its penguin mascot?

Windows

macOS

Linux

Android

13. What is the primary function of an operating system's 'shell'?

To provide protection against malware

To manage network connections

To provide a user interface for running commands and programs

To control the computer's power supply

14. What is the role of a 'bootloader' in the startup process of a computer?

To load the operating system into memory

To create a backup of user data

To manage network connections

To play startup sounds

15. Which operating system is known for its use in smartphones and tablets?

Windows

Linux

iOS

macOS

16. Which operating system is open-source and often used in servers and embedded systems?

Windows

macOS

Linux

Android

17. Which operating system is known for its user-friendly interface and is commonly used on personal computers?

Windows

Linux

macOS

iOS

18. What is the purpose of a file system in an operating system?

To store and organize data files

To control the computer's power supply

To manage the CPU's clock speed

To connect to the internet

19. What is a context switch in an OS, and why is it necessary?

It is the process of switching between different user accounts.

It is the process of switching between different applications.

It is the process of saving and restoring the state of a CPU to allow multiple processes to share the same CPU.

It is the process of switching between different operating systems.

20. What is a page fault in virtual memory management, and how is it handled?

A page fault occurs when a page of data is not found in physical memory and needs to be loaded from secondary storage. It is handled by the operating system's memory management unit, which fetches the required page from secondary storage and updates the page table.

A page fault is a type of memory error that cannot be handled.

A page fault is a situation where a program crashes.

A page fault is a situation where virtual memory is disabled.

21. Which of the following is not an example of a multi-user operating system?

Windows 10

Linux

macOS

Unix

22. Which operating system is designed primarily for use on servers and is known for its stability?

Windows

macOS

Linux

iOS

23. What is the purpose of a 'scheduler' in an operating system?

To schedule software updates

To manage appointments and calendars

To allocate CPU time to different tasks

To control screen brightness

24. What is the primary function of an operating system?

Running applications

Managing hardware resources

Displaying graphical user interfaces

Sending emails

25. What is 'paging' in memory management of an operating system?

Turning pages of a book

A technique to divide physical memory into fixed-size blocks

A way to organize files in a file system

Printing documents

26. What is a 'shell' in the context of operating systems?

A protective case for computer hardware

A user interface for interacting with the operating system

A type of file format

A type of hardware device

27. What is the role of an interrupt in an operating system, and how does it affect system performance?

An interrupt is a signal generated by hardware or software to request the immediate attention of the CPU. It affects system performance by allowing the CPU to respond quickly to events and perform tasks efficiently.

An interrupt is a type of error that slows down system performance.

An interrupt is a message from the user to the operating system to stop all tasks.

An interrupt is a signal to restart the computer.

28. In the context of operating systems, what does 'GUI' stand for?

Graphical User Interface

Global User Integration

General Utility Interface

Graphical User Integration

29. What does RAM stand for in the context of computer memory?

Random Access Memory

Read-Only Memory

Remote Access Memory

Revolving Access Memory

30. Which operating system is open-source and widely used in server environments?

macOS

Windows

Linux

iOS

Operating System MCQ Test 3