Operating System MCQs
Solved operating systems MCQ collections from the KnowledgeGate question bank for GATE, UGC NET and placement preparation.
26 articles in this topic
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.
File and Network Services MCQs: 8 Solved Questions and 3 Written Checks
Solve eight Windows file and network service MCQs, then practise three written checks on IPC, transaction logging and sparse files with model responses.
FCFS Scheduling MCQs: 12 Solved Questions with Step-by-Step Explanations
Solve 12 FCFS scheduling questions with ready-queue order, Gantt charts and checked calculations. Learn how to separate response, waiting and turnaround time.
Banker's Algorithm MCQs: 12 Solved Deadlock-Avoidance Questions
Solve 12 Banker's Algorithm MCQs covering avoidance, complexity, resource guarantees, safe states, request grants and sequence checks, with worked explanations.
Threading Models MCQs: 12 Solved Operating System Questions with Explanations
Test the boundaries between shared process resources and private thread state through 12 solved PYQs, then revise mapping models, switching and hyper-threading.