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.

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.

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.

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.

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.

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.

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.

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.

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.