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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: moves or renames files/directories on Unix-like systems?
A. Page fault
B. Shell
C. Multithreading
D. mv
Read Theory
Correct Answer: D
mv: moves or renames files/directories on Unix-like systems.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: copies files or directories on Unix-like systems?
A. FCFS scheduling
B. cp
C. Clipboard
D. User mode
Read Theory
Correct Answer: B
cp: copies files or directories on Unix-like systems.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: removes directories under command-specific rules?
A. File system
B. Kernel mode
C. cp
D. rmdir
Read Theory
Correct Answer: D
rmdir: removes directories under command-specific rules.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: creates a new directory in common command-line environments?
A. mkdir
B. Page replacement
C. Restart
D. Directory
Read Theory
Correct Answer: A
mkdir: creates a new directory in common command-line environments.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: changes the current working directory in common command shells?
A. Running state
B. cd
C. Desktop OS
D. FCFS scheduling
Read Theory
Correct Answer: B
cd: changes the current working directory in common command shells.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: lists directory contents on Unix-like systems?
A. Mounting
B. ls
C. Relative path
D. Swap space
Read Theory
Correct Answer: B
ls: lists directory contents on Unix-like systems.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: prints the current working directory on Unix-like systems?
A. Real-time operating system
B. Registry
C. pwd
D. Journaling
Read Theory
Correct Answer: C
pwd: prints the current working directory on Unix-like systems.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: is a Windows-oriented command shell and scripting environment based on objects and .NET?
A. PowerShell
B. Maximize
C. Mobile OS
D. Clipboard
Read Theory
Correct Answer: A
PowerShell: is a Windows-oriented command shell and scripting environment based on objects and .NET.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: is the traditional Windows command-line interpreter environment?
A. Multiuser OS
B. Multitasking
C. Command Prompt
D. Operating system
Read Theory
Correct Answer: C
Command Prompt: is the traditional Windows command-line interpreter environment.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: saves the current session to non-volatile storage and powers down more fully than sleep?
A. Hibernate
B. Priority scheduling
C. Thrashing
D. ls
Read Theory
Correct Answer: A
Hibernate: saves the current session to non-volatile storage and powers down more fully than sleep.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: places the computer in a low-power state while retaining the current session in RAM?
A. Sleep
B. Journaling
C. FAT32
D. ext4
Read Theory
Correct Answer: A
Sleep: places the computer in a low-power state while retaining the current session in RAM.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: shuts down and boots the operating system again?
A. Restart
B. Disk Management
C. Access control list
D. rm
Read Theory
Correct Answer: A
Restart: shuts down and boots the operating system again.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: closes the OS session and powers off the computer?
A. Virtual memory
B. TRIM
C. Thread
D. Shutdown
Read Theory
Correct Answer: D
Shutdown: closes the OS session and powers off the computer.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: returns a maximized or minimized window to its prior normal state?
A. POST
B. Restore
C. pwd
D. UEFI
Read Theory
Correct Answer: B
Restore: returns a maximized or minimized window to its prior normal state.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: expands a window to occupy the available screen area?
A. Kernel mode
B. Running state
C. Maximize
D. Round-robin scheduling
Read Theory
Correct Answer: C
Maximize: expands a window to occupy the available screen area.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: hides a window from the desktop while keeping the application running?
A. pwd
B. DMA
C. FCFS scheduling
D. Minimize
Read Theory
Correct Answer: D
Minimize: hides a window from the desktop while keeping the application running.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: is a rectangular on-screen area in which an application or document is displayed?
A. Window
B. Main memory management
C. DMA
D. File
Read Theory
Correct Answer: A
Window: is a rectangular on-screen area in which an application or document is displayed.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: provides access to applications, search, settings, and power options on Windows?
A. Mutual exclusion
B. UAC
C. Start menu
D. Thread
Read Theory
Correct Answer: C
Start menu: provides access to applications, search, settings, and power options on Windows.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: shows running/pinned apps and system status controls on Windows?
A. GUI
B. Swap space
C. UEFI
D. Taskbar
Read Theory
Correct Answer: D
Taskbar: shows running/pinned apps and system status controls on Windows.
CSS - PMS - CCE - PCS - Basic Computing Operating Systems
Which operating-system term best matches this description: is the main graphical workspace shown after sign-in?
A. PowerShell
B. Antivirus
C. Desktop
D. Deadlock
Read Theory
Correct Answer: C
Desktop: is the main graphical workspace shown after sign-in.
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