MCQ Practice

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

415 articles in this topic

ER Modeling Fundamentals MCQs: 12 Solved Questions with Explanations

Test the ER concepts that learners commonly mix up. Each of these 12 MCQs includes the correct answer, the reasoning behind it, and a running STUDENT-COURSE example.

Updated 20 Sep 20267 min readDBMS MCQs

Euler and Hamiltonian Graph MCQs: 12 Solved Questions with Explanations

Solve 12 Euler and Hamiltonian graph MCQs with concise explanations of parity tests, spanning cycles, complete graphs, route checks, and sufficient conditions.

Updated 20 Sep 20267 min readDiscrete Mathematics MCQs

Programmed I/O MCQs: 10 Solved Questions on Polling, CPU Time and Bus Control

Solve 10 Programmed I/O objective questions, including two step-by-step numericals, with clear explanations of polling, CPU involvement and bus control.

Updated 20 Sep 20267 min readComputer Organization MCQs

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.

Updated 20 Sep 20268 min readOperating System MCQs

TTL, Protocol & IPv4 Checksum MCQs: 12 Solved Questions with Explanations

Solve 12 published IPv4 questions covering TTL, Protocol, IHL, checksum position, CRC, NAT and hop counting. Each answer includes a fresh, step-by-step explanation.

Updated 20 Sep 20268 min readComputer Networks MCQs

AVL Tree MCQs: 12 Solved Balancing and Rotation Questions

Work through 12 AVL Tree MCQs with explanations of balance factors, rotations, insertion traces, maximum height, and search and insertion complexity.

Updated 20 Sep 20267 min read55 viewsData Structures MCQs

Multivalued Dependency (MVD) and 4NF MCQs: 12 Solved Questions

Attempt 12 MVD and 4NF questions, then study explanations covering the normal-form hierarchy, inference rules, tuple generation and lossless decomposition.

Updated 19 Sep 20267 min readDBMS MCQs

Special Logic Circuits MCQs: 12 Solved Questions on Adders, Encoders, PLA and DAC

Solve 12 special logic circuits MCQs covering recognition, hardware counts, Boolean identities and numerical calculations. Each answer includes the reasoning you should reproduce in an exam.

19 Sep 20268 min readDigital Electronics MCQs

Predicate Logic and Quantifiers MCQs: 10 Solved Questions with Explanations

Witnesses, counterexamples, quantifier order, model size, and divisibility decide these predicate-logic MCQs over integer, real, and finite domains.

Updated 19 Sep 20267 min readDiscrete Mathematics MCQs

Pipelining Basics MCQs: 10 Solved Questions with Explanations

Solve ten pipelining questions step by step, including timing calculations, a unit trap, weighted speedup, a non-uniform stage schedule and data interlocks.

Updated 19 Sep 20267 min readComputer Organization MCQs

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.

Updated 19 Sep 20268 min readOperating System MCQs

Supernetting and Special IP Address MCQs: 12 Solved Questions with Step-by-Step Explanations

Solve 12 MCQs on supernets, CIDR boundaries and special IP addresses. Each explanation shows the rule, calculation or range check that determines the answer.

Updated 18 Sep 20266 min read96 viewsComputer Networks MCQs