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CSS - PMS - CCE - PCS - Basic Computing Practice

Operating Systems MCQs with Answers & Key Concepts MCQs

Operating Systems covers the basic concepts, functions and types of operating systems, including Windows, Linux, Unix, macOS, Android and real-time systems. It includes process management, memory management, file systems, scheduling, security, device management, commands and system software concepts. This topic is useful for Computer & IT preparation in CSS, PMS, PPSC, FPSC and other competitive exams through exam-focused MCQs and explanations.

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Operating Systems MCQs with Answers & Key Concepts

Operating Systems MCQs with Answers & Key Concepts MCQs With Answers

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CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: is a Windows file system supporting permissions, journaling, and large files/volumes?
A. Desktop OS
B. Path
C. Mutual exclusion
D. NTFS
Read Theory
Correct Answer: D
NTFS: is a Windows file system supporting permissions, journaling, and large files/volumes.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: defines how files and directories are named, stored, organized, and retrieved on storage media?
A. POST
B. Kernel
C. File system
D. Desktop OS
Read Theory
Correct Answer: C
File system: defines how files and directories are named, stored, organized, and retrieved on storage media.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: a suffix often used to indicate a file type or associated application?
A. File extension
B. Priority scheduling
C. Spooling
D. Desktop
Read Theory
Correct Answer: A
File extension: a suffix often used to indicate a file type or associated application.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: specifies a location relative to the current working directory?
A. Disk Cleanup
B. Interrupt
C. Booting
D. Relative path
Read Theory
Correct Answer: D
Relative path: specifies a location relative to the current working directory.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: specifies a location starting from the filesystem root or drive root?
A. rmdir
B. User mode
C. Command Prompt
D. Absolute path
Read Theory
Correct Answer: D
Absolute path: specifies a location starting from the filesystem root or drive root.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: specifies the location of a file or directory in a filesystem hierarchy?
A. Path
B. File extension
C. Round-robin scheduling
D. Kernel mode
Read Theory
Correct Answer: A
Path: specifies the location of a file or directory in a filesystem hierarchy.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: a container used to organize files and subdirectories?
A. Hibernate
B. Directory
C. Authorization
D. ext4
Read Theory
Correct Answer: B
Directory: a container used to organize files and subdirectories.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: a named collection of data stored on a storage device?
A. Plug and Play
B. Disk Cleanup
C. Operating system
D. File
Read Theory
Correct Answer: D
File: a named collection of data stored on a storage device.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: uses secondary storage as part of virtual-memory management?
A. Swap space
B. Scheduler
C. Start menu
D. Blocked/Waiting state
Read Theory
Correct Answer: A
Swap space: uses secondary storage as part of virtual-memory management.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: divides a program's address space into logical variable-sized segments in systems that use this technique?
A. Segmentation
B. Deadlock
C. FAT32
D. Interrupt
Read Theory
Correct Answer: A
Segmentation: divides a program's address space into logical variable-sized segments in systems that use this technique.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: occurs when excessive paging causes the system to spend more time moving pages than doing useful work?
A. User account
B. Thrashing
C. system call
D. Aging
Read Theory
Correct Answer: B
Thrashing: occurs when excessive paging causes the system to spend more time moving pages than doing useful work.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: chooses a memory page to evict when a required page must be loaded into full memory?
A. Page replacement
B. NTFS
C. Authorization
D. mkdir
Read Theory
Correct Answer: A
Page replacement: chooses a memory page to evict when a required page must be loaded into full memory.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: occurs when a process references a page not currently present in physical memory?
A. NTFS
B. Priority scheduling
C. Scheduler
D. Page fault
Read Theory
Correct Answer: D
Page fault: occurs when a process references a page not currently present in physical memory.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: divides virtual memory into fixed-size pages mapped to physical frames?
A. Desktop
B. Real-time operating system
C. Paging
D. cp
Read Theory
Correct Answer: C
Paging: divides virtual memory into fixed-size pages mapped to physical frames.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: provides processes with an address space that can exceed immediately available physical RAM?
A. Virtual memory
B. Firewall
C. POST
D. Permission
Read Theory
Correct Answer: A
Virtual memory: provides processes with an address space that can exceed immediately available physical RAM.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: tracks and allocates RAM among the operating system and processes?
A. Main memory management
B. Clipboard
C. File system
D. Mobile OS
Read Theory
Correct Answer: A
Main memory management: tracks and allocates RAM among the operating system and processes.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: gradually increases waiting tasks' priority to reduce starvation?
A. Desktop
B. Aging
C. rmdir
D. Shutdown
Read Theory
Correct Answer: B
Aging: gradually increases waiting tasks' priority to reduce starvation.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: occurs when a task waits indefinitely because other tasks repeatedly receive resources?
A. Mutual exclusion
B. Starvation
C. Desktop OS
D. Authentication
Read Theory
Correct Answer: B
Starvation: occurs when a task waits indefinitely because other tasks repeatedly receive resources.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: selects tasks based on assigned priority values?
A. Preemptive scheduling
B. mkdir
C. rmdir
D. Priority scheduling
Read Theory
Correct Answer: D
Priority scheduling: selects tasks based on assigned priority values.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: runs tasks in first-come, first-served order?
A. pwd
B. Batch processing
C. FCFS scheduling
D. Aging
Read Theory
Correct Answer: C
FCFS scheduling: runs tasks in first-come, first-served order.
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