MCQ Practice

Clear, exam-focused explainers on core computer science subjects and programming.

445 articles in this topic

Introduction to Query Languages MCQs: 8 Solved MCQs and 2 Concept Checks

Attempt eight published query-language MCQs, check each answer with a focused explanation, then use two written prompts to test recall of relational algebra.

Updated 16 Oct 20267 min readDBMS MCQs

Order of Elements in Groups MCQs: 10 Solved Objective Questions

Build a reliable method for finding element orders, then apply it to 10 bank questions, including NAT, MSQ and two composition-table problems.

Updated 16 Oct 20267 min readDiscrete Mathematics MCQs

Performance & Speedup MCQs: 12 Solved Pipelining Questions

Work through 12 solved pipelining questions step by step, from finite pipeline time and latch overhead to bubbles, MIPS, CPI and bottleneck splitting.

Updated 16 Oct 20268 min readComputer Organization MCQs

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.

Updated 16 Oct 20268 min readOperating System MCQs

Ethernet IEEE 802.3 MCQs: 12 Solved Questions with Explanations

Solve 12 Ethernet questions on IEEE 802.3, speed generations, hubs, MAC addresses, multicast, CSMA/CD and the first binary backoff race.

Updated 16 Oct 20267 min readComputer Networks MCQs

1D and 2D Array Addressing MCQs: 12 Solved Questions

Solve 12 array-address questions step by step, from negative lower bounds and 1D offsets to row-major, column-major, triangular and tri-diagonal storage.

Updated 16 Oct 20268 min readData Structures MCQs

Functional Dependencies and Armstrong's Axioms MCQs: 12 Solved Questions with Explanations

Solve 12 functional-dependency questions with exact options, step-by-step closure checks, Armstrong rule proofs, counterexamples and a useful-FD count.

12 Oct 20268 min read68 viewsDBMS MCQs

Partial Order Relation MCQs: 12 Solved Poset and Total Order Questions

Solve 12 published partial order questions with fresh explanations covering posets, total orders, lattices, recursive comparisons, linear extensions and counterexamples.

12 Oct 20267 min readDiscrete Mathematics MCQs

Multiprocessor Classification MCQs: 8 Solved MCQs and 2 Concept Checks

Work through the complete mapped pool: eight objective items plus two optionless concept checks. Explanations cover Flynn's taxonomy, coupling, bus facts, and parallel efficiency.

12 Oct 20267 min readComputer Organization MCQs

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.

Updated 12 Oct 20267 min readOperating System MCQs

OSI Model & Layers MCQs: 12 Solved Questions on PDUs and Encapsulation

Test OSI layers, PDUs, encapsulation and router traversal through solved MCQs, with explanations, a byte-by-byte frame trace and a layer-visit method.

12 Oct 20267 min readComputer Networks MCQs

Structure Modification and Pointer Logic MCQs: 10 Solved Linked List Questions

Solve 10 linked-list MCQs by tracing each pointer update. The explanations cover reversal, duplicate removal, deletion, insertion, sentinels, and invalid links.

11 Oct 20269 min readData Structures MCQs