Operating Systems MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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In which type of file system is the FAT (File Allocation Table) used?
A. NTFS
B. EXT4
C. FAT32
D. ZFS
Answer: FAT32
Which page replacement algorithm suffers from ‘Belady’s anomaly’?
A. FIFO
B. LRU
C. Optimal
D. Second-chance
Answer: FIFO
Which of the following techniques does not allow processes to hold resources while requesting additional ones to prevent deadlock?
A. Hold and wait
B. No preemption
C. Circular wait
D. Deadlock avoidance
Answer: Deadlock avoidance
Which of the following is used in ‘disk scheduling’ to reduce the seek time?
A. SCAN algorithm
B. FIFO scheduling
C. Round Robin scheduling
D. Banker's algorithm
Answer: SCAN algorithm
Which of the following is a characteristic of ‘distributed operating systems’?
A. Multiple systems working together to provide shared computing resources
B. A single system handling all user requests
C. Real-time processing with predictable responses
D. Handling large amounts of data within one machine
Answer: Multiple systems working together to provide shared computing resources
What is ‘thrashing’ in memory management?
A. Excessive paging leading to reduced performance
B. Fragmentation of memory blocks
C. Running out of virtual memory
D. Reallocating memory blocks to processes
Answer: Excessive paging leading to reduced performance
What is ‘process scheduling’ used for?
A. Managing the execution of processes
B. Allocating memory to processes
C. Handling I/O operations
D. Managing network connections
Answer: Managing the execution of processes
What is the purpose of the ‘page table’ in virtual memory management?
A. Translate virtual addresses to physical addresses
B. Manage file system allocations
C. Control process states
D. Handle network connections
Answer: Translate virtual addresses to physical addresses
Which of the following is a characteristic of a ‘real-time operating system’?
A. Predictable response times
B. High level of multitasking
C. Support for multiple users
D. Complex file systems
Answer: Predictable response times