Operating System MCQs

Solved operating systems MCQ collections from the KnowledgeGate question bank for GATE, UGC NET and placement preparation.

33 articles in this topic

Disk Scheduling MCQs: 12 solved questions (FCFS, SSTF, SCAN)

Disk scheduling MCQs for GATE, UGC NET, DSSSB and BPSC: FCFS, SSTF, SCAN and C-SCAN head-movement numericals, seek time and direction changes, each solved.

Updated 22 Jul 20269 min read107 viewsOperating System MCQs

Threads and Process Creation MCQs: 12 solved questions with explanations

Threads and process creation MCQs for GATE, UGC NET and PSU papers: user versus kernel threads, what threads share, fork counting, and thread cancellation.

11 Jul 20268 min readOperating System MCQs

File Systems and Allocation MCQs: 12 solved questions with explanations

File systems and allocation MCQs for GATE, state PSC and PSU papers: contiguous, linked and indexed allocation, Unix i-node sizing, directories, disk layout.

11 Jul 20268 min readOperating System MCQs

Page Replacement Algorithms MCQs: 12 solved questions (FIFO, LRU, Optimal)

Page replacement MCQs for GATE, UGC NET and DSSSB: FIFO and Belady's anomaly, LRU, Optimal, and page-fault counting numericals, each solved and explained.

Updated 29 Jul 20268 min readOperating System MCQs

Virtual Memory and Demand Paging MCQs: 12 solved questions with explanations

Virtual memory and demand paging MCQs for GATE, UGC NET and placement: address translation, page-table size, effective access time, thrashing, frames.

Updated 26 Jul 20268 min readOperating System MCQs

Operating System Basics MCQs: 12 solved questions on OS structure and processes

12 solved operating system basics MCQs from GATE, UGC NET and state papers: OS functions, multiprogramming, system calls, dual mode and context switches.

8 Jul 20267 min readOperating System MCQs

Process Synchronization MCQs: 12 solved GATE questions with explanations

Process synchronization MCQs for GATE: 12 solved previous-year questions on critical sections, race conditions, Peterson's algorithm and semaphore ordering.

Updated 26 Jul 20268 min read56 viewsOperating System MCQs

Memory Management and Paging MCQs: 12 solved GATE questions

12 solved GATE memory management and paging MCQs from 1996 to 2020: fit strategies, page table size, TLB tag bits, effective access time and virtual memory.

8 Jul 20267 min readOperating System MCQs

Process Scheduling MCQs: 12 solved GATE questions with explanations

12 solved CPU scheduling MCQs for GATE and UGC NET: FCFS and preemption, SJF and SRTF, round robin quantum, time sharing. Every one a GATE PYQ, 1995 to 2026.

Updated 14 Jul 20268 min read88 viewsOperating System MCQs