Basic MCQs of Operating System with Answers

Basic MCQs of Operating System with Answers

1: Which memory management technique swaps data between RAM and disk?

• a) Paging
• b) Segmentation
• c) Virtual memory
• d) Cache memory

c) Virtual memory

2: Which file system is commonly used in Windows operating systems?

• a) FAT32
• b) NTFS
• c) HFS+
• d) Ext4

b) NTFS

3: The component of an operating system manages that allocates system resources is:

• a) Kernel
• b) Shell
• c) Compiler
• d) File system

a) Kernel

4: Which mode of the operating system allows direct interaction with hardware?

• a) User mode
• b) Kernel mode
• c) Supervisor mode
• d) Administrator mode

b) Kernel mode

5: An example of a real-time operating system (RTOS) is:

• a) Windows
• b) macOS
• c) Linux
• d) QNX

d) QNX

6: The command which is used to change the current directory in a command-line interface is_____________.

• a) ls
• b) dir
• c) cd
• d) pwd

c) cd

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

• a) Batch processing system
• b) Real-time operating system
• c) Multiprogramming operating system
• d) Supercomputer operating system

d) Supercomputer operating system

8: What is the primary purpose of an operating system?

• a) To manage computer hardware
• b) To provide internet connectivity
• c) To create computer graphics
• d) To develop software applications

a) To manage computer hardware

9: The operating system acts as an intermediary between the user and the ___.

• a) Application software
• b) Hardware
• c) Internet
• d) Printer

b) Hardware

10: The type of operating system which allows only one user to access the system at a time is called__________.

• a) Single-user operating system
• b) Multi-user operating system
• c) Real-time operating system
• d) Batch processing system

a) Single-user operating system

Operating System MCQs wit Answers

11: Which of the following is not an example of a mobile operating system?

• a) Android
• b) iOS
• c) Windows Mobile
• d) Ubuntu

d) Ubuntu

12: In a command-line interface, which command is used to list files and directories in a specific directory?

• a) ls
• b) dir
• c) cd
• d) pwd

a) ls

13: What is the function of the “grep” command in Unix-based operating systems?

• a) To search for specific patterns in files
• b) To create a new file
• c) To delete files
• d) To display system processes

a) To search for…

14: Which type of operating system allows multiple users to access the system simultaneously?

• a) Single-user operating system
• b) Multi-user operating system
• c) Real-time operating system
• d) Batch processing system

b) Multi-user operating system

15: Which algorithm provides the best average waiting time for a set of processes?

• a) Shortest Job Next (SJN)
• b) First-Come, First-Served (FCFS)
• c) Round Robin
• d) Shortest Remaining Time (SRT)

d) Shortest Remaining…

16: What is the purpose of a shell in an operating system?

• a) To manage system resources
• b) To provide a user interface
• c) To allocate memory to processes
• d) To execute system commands

b) To provide a user interface

17: Which of the following is not an example of an operating system?

• a) Linux
• b) Microsoft Word
• c) macOS
• d) Android

b) Microsoft Word

18: The part of an operating system that interacts directly with the hardware is called the ___.

• a) Kernel
• b) Shell
• c) Compiler
• d) File system

a) Kernel

19: Which command is used to copy a file from one location to another in a command-line interface?

• a) cp
• b) mv
• c) rm
• d) ls

a) cp

20: Which of the following is not a function of an operating system?

• a) File management
• b) Memory management
• c) Process management
• d) Network management

d) Network management

Advance MCQs of Operating System

21: The part of an operating system responsible for managing and organizing files is called the ________.

• a) File system
• b) Process scheduler
• c) Memory allocator
• d) Command interpreter

a) File system

22: Which algorithm selects the process with the highest priority for execution?

• a) First-Come, First-Served (FCFS)
• b) Shortest Job Next (SJN)
• c) Priority Scheduling
• d) Round Robin

c) Priority Scheduling

23: The type of memory management technique that allows the memory to be divided into fixed-size blocks is:

• a) Paging
• b) Segmentation
• c) Fragmentation
• d) Partitioning

d) Partitioning

24: Which of the following is not a type of process scheduling algorithm?

• a) First-Come, First-Served (FCFS)
• b) Last-In, First-Out (LIFO)
• c) Shortest Job Next (SJN)
• d) Round Robin

b) Last-In, First-Out (LIFO)

25: The process of dividing a program into small units called threads that can be executed independently is known as ________.

• a) Multiprogramming
• b) Multitasking
• c) Multithreading
• d) Multiprocessing

c) Multithreading

26: Which of the following is an example of a preemptive scheduling algorithm?

• a) First-Come, First-Served (FCFS)
• b) Shortest Job Next (SJN)
• c) Round Robin
• d) Priority Scheduling

c) Round Robin

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

• a) To manage system resources
• b) To provide a user interface
• c) To control peripheral devices
• d) To schedule processes

c) To control peripheral devices

28: Which of the following is not an example of an embedded operating system?

• a) Windows CE
• b) VxWorks
• c) Linux
• d) macOS

d) macOS

29: The purpose of the “chmod” command in Unix-based operating systems is:

• a) To change the file permissions
• b) To change the ownership of a file
• c) To change the file extension
• d) To create a new directory

a) To change the file permissions

30: A/an_________ operating system is designed to perform a specific task within a larger system.

• a) General-purpose operating system
• b) Real-time operating system
• c) Network operating system
• d) Embedded operating system

d) Embedded operating system

Operating System MCQs Online Test

31: The purpose of the “chown” command in Unix-based operating systems is:

• a) To change the file permissions
• b) To change the ownership of a file
• c) To change the file extension
• d) To create a new directory

b) To change the ownership…

32: Which of the following is not a function of an operating system?

• a) File management
• b) Memory management
• c) Process management
• d) Code optimization

d) Code optimization

33: Which command is used to delete a file in a command-line interface?

• a) rm
• b) cp
• c) mv
• d) ls

a) rm

34: The part of an operating system that translates high-level language programs into machine code is called the _______.

• a) Compiler
• b) Interpreter
• c) Debugger
• d) Assembler

a) Compiler

35: An example of a distributed operating system is:

• a) Windows 10
• b) macOS
• c) Linux
• d) Android

c) Linux

36: Which type of memory management technique divides memory into fixed-size partitions?

• a) Paging
• b) Segmentation
• c) Fragmentation
• d) Partitioning

d) Partitioning

37: Which of the following is not an operating system kernel?

• a) Linux kernel
• b) Windows kernel
• c) macOS kernel
• d) Android kernel

d) Android kernel

38: What is the purpose of a shell in an operating system?

• a) To manage system resources
• b) To provide a user interface
• c) To allocate memory to processes
• d) To execute system commands

b) To provide a user interface

39: What is the purpose of the “mv” command in a command-line interface?

• a) To move a file from one location to another
• b) To create a new file
• c) To rename a file
• d) To display the contents of a file

a) To move a file from one…

40: Which mode of the operating system provides unrestricted access to system resources?

• a) User mode
• b) Kernel mode
• c) Supervisor mode
• d) Administrator mode

b) Kernel mode