Operating System MCQs

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

54 articles in this topic

OS Basics and Goals MCQs: 12 Solved Questions with Explanations

Solve 12 published OS Basics and Goals MCQs, commit to each option, and learn the distinctions through direct explanations and worked resource examples.

30 Aug 20268 min read55 viewsOperating System MCQs

Free Space Management MCQs: 12 Solved Questions with Explanations

Solve 12 published free-space and file-management MCQs, then check each answer with direct reasoning and two fully worked bitmap calculations.

29 Aug 20266 min readOperating System MCQs

Round Robin Scheduling MCQs: 12 Solved Questions Explained

Attempt 12 published Round Robin scheduling questions, then check the reasoning behind each answer. The set progresses from core behaviour to queue traces and CPU/I/O timing.

Updated 27 Aug 20269 min read98 viewsOperating System MCQs

Multilevel Queue Scheduling MCQs: 10 Solved Questions with Explanations

Attempt 10 published objective questions on MLFQ behaviour, scheduler matching, two-level scheduling and weighted completion time. Each answer explains the decisive rule.

Updated 25 Aug 20268 min read74 viewsOperating System MCQs

FIFO Page Replacement MCQs: 12 Solved Questions with Step-by-Step Explanations

Practise FIFO carefully through 12 questions on hits, faults, preloaded frames, reverse reference strings, queue traces, and Belady's anomaly.

Updated 23 Aug 20268 min read66 viewsOperating System MCQs

Distributed System Basics MCQs: 11 Solved Questions with Explanations

Practise 11 distributed-system MCQs from UGC NET, DSSSB, KVS and Accenture papers, then learn why each answer wins. The set covers local clocks, scalability, clusters, OS coupling and cloud service models.

Updated 22 Aug 20267 min readOperating System MCQs

Directory Structure MCQs: 12 Solved OS Questions with Explanations

Solve 12 directory structure questions covering file attributes, directory models, Unix commands, links, inode addressing and block bookkeeping. Each answer includes a direct explanation or complete calculation.

20 Aug 20268 min readOperating System MCQs

Optimal Replacement MCQs: 10 Solved Questions with Step-by-Step Page-Fault Explanations

Solve 10 Optimal Replacement questions from GATE, ISRO, HTET, UPPSC and DSSSB papers, then check each answer against a full three-frame page-fault trace.

18 Aug 20268 min readOperating System MCQs

Windows Design & Architecture MCQs: 9 Solved MCQs and 1 Dual-Mode Scenario

Attempt nine Windows architecture MCQs, then solve a dual-mode scenario. Each answer separates product lineage, internal boundaries and Win32 mechanisms.

Updated 16 Aug 20267 min readOperating System MCQs

Demand Paging Basics MCQs: 12 Solved GATE Questions on Page Faults and Effective Access Time

Attempt 12 GATE previous-year questions on demand paging, then check clear solutions for page-table calculations, page-fault probability, TLB cost and unit conversion.

Updated 14 Aug 20268 min readOperating System MCQs

SCAN and C-SCAN Disk Scheduling MCQs: 12 Solved Questions with Head-Movement Traces

Practise 12 SCAN and C-SCAN disk scheduling questions, then check each path against worked explanations covering endpoints, reversals and circular wraps.

Updated 12 Aug 202610 min readOperating System MCQs

LRU Page Replacement MCQs: 12 Solved Questions with Page-Fault Traces

Solve 12 LRU questions with checked hit-fault traces, victim choices, policy comparisons, and one address-to-page conversion.

Updated 10 Aug 20267 min readOperating System MCQs