Operating System MCQs for Competitive Exams
This particular section of Computer Science focuses on Operating System MCQs for Competitive Exams. You will find solved MCQs of the Operating System for your exams and online test preparation.
In this section, we have included some basic and advanced Operating System multiple-choice questions with answers. All these solved OS MCQs will help you in ETEA, KPPSC, CSS, PMS, SPSC, PPSC, FPSC, KPPSC, IT tests, and online computer science test preparation.
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
Conclusion
I hope all these solved Operating System MCQs for Competitive Exams will be helpful for your online exam preparation. If you need more Computer Science MCQs, you can find them below.
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