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

Process Basics and PCB MCQs: 12 Solved Questions with Explanations
Solve 12 Process Basics and PCB questions, then use each explanation to repair the exact concept boundary behind the correct option.

Critical Section MCQs: 12 Solved Questions on Race Conditions and Mutual Exclusion
Practise critical-section MCQs on race conditions, mutual exclusion, Bakery ordering, stale writes and priority inversion, with explanations and two complete traces.

Hardware Synchronization MCQs: 10 Solved Test-and-Set, Spinlock and Barrier Questions
Attempt 10 hardware synchronization questions, then check concise explanations of atomic instructions, busy waiting, lock failures and barrier races.

SJF and SRTF Scheduling MCQs: 11 Solved Questions with Step-by-Step Explanations
Solve 11 SJF and SRTF questions with ready-queue decisions, Gantt traces, waiting-time calculations and checked explanations.

Segmentation and Hybrid MCQs: 10 Solved OS Questions with Explanations
Solve ten memory-management MCQs, then check the keyed answers, short reasoning paths, distractor traps, and worked address calculations.

Paging and TLB MCQs: 12 Solved Questions with Step-by-Step Explanations
Solve 12 Paging and TLB MCQs in a sequence that builds from page-table basics to address splits, TLB coverage, timing and fragmentation.

OS Types & Evolution MCQs: 12 Solved Questions with Explanations
Solve 12 published OS Types & Evolution questions. Each answer identifies the clue that separates batch, multiprogramming, time sharing and other OS models.

Multilevel Paging MCQs: 12 Solved Questions with Explanations
Solve 10 MCQs and two NATs on multilevel paging. Each answer works through the address bits, table capacity or access-time path that decides the result.

LOOK and C-LOOK Algorithm MCQs: 10 Solved Questions with Explanations
Solve 10 LOOK and C-LOOK MCQs, from core definitions to complete service-order and seek-distance calculations, with a fresh explanation for every answer.

File Systems & I/O MCQs: 12 Solved Linux Questions with Explanations
Solve 12 published Linux MCQs with fresh explanations that connect permissions, shell I/O, links, inodes, directories and disk-usage commands.

File Allocation Methods MCQs: 10 Solved Questions with Explanations
Practise ten questions on contiguous, linked and indexed allocation. Each answer includes the reasoning, arithmetic and a useful boundary check.

FCFS and SSTF Scheduling MCQs: 12 Solved Disk Questions with Explanations
Solve 12 FCFS and SSTF disk-scheduling questions with complete routes, movement totals, seek-time conversions and fresh explanations for every answer.