Operating Systems MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Which of the following defines the term ‘fragmentation’ in memory management?
A. Memory is allocated in such a way that there are small, unused spaces between allocated memory blocks
B. When a process is moved from one location to another
C. When memory is deallocated but not reused
D. The process of sharing memory across multiple threads
Answer: Memory is allocated in such a way that there are small, unused spaces between allocated memory blocks
Which Windows feature provides a graphical representation of running processes and their resource usage?
A. Task Manager
B. Control Panel
C. Device Manager
D. Performance Monitor
Answer: Task Manager
What does the ‘chmod’ command do in Unix-based systems?
A. Changes file permissions
B. Lists directory contents
C. Displays disk usage
D. Removes files or directories
Answer: Changes file permissions
What does ‘BIOS’ stand for?
A. Basic Input/Output System
B. Binary Input/Output System
C. Basic Internal Operating System
D. Binary Internal Operating System
Answer: Basic Input/Output System
Which operating system is known for its high level of customization and flexibility?
A. Linux
B. Windows
C. macOS
D. Android
Answer: Linux
Which of the following commands is used to rename a file in Unix-based systems?
A. mv
B. cp
C. rm
D. mkdir
Answer: mv
Which key combination is used to take a screenshot of the active window in Windows?
A. Alt + Print Screen
B. Windows + Print Screen
C. Ctrl + Print Screen
D. Alt + Shift + Print Screen
Answer: Alt + Print Screen
What is the purpose of a system update?
A. To improve system performance and security
B. To install new applications
C. To clean up temporary files
D. To increase storage capacity
Answer: To improve system performance and security
Which operating system is designed specifically for mobile devices?
A. Android
B. Windows
C. macOS
D. Linux
Answer: Android