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
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