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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.