MCQ Practice

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

461 articles in this topic

Adders and Subtractors MCQs: 12 Solved Questions with Step-by-Step Explanations

Solve 12 adders and subtractors MCQs on half and full circuits, borrow logic, mode control and ripple-carry delay. Each answer works the decisive step.

Updated 23 Jul 20267 min read137 viewsDigital Electronics MCQs

Reflexive and Irreflexive Relation MCQs: 10 Solved Questions on Counts and Properties

Solve 10 practice questions on reflexive and irreflexive relations. Learn diagonal tests, counting, probability, closure, and property proofs.

Updated 26 Jul 20268 min readDiscrete Mathematics MCQs

Computer Classification & Flynn’s Taxonomy MCQs: 12 Solved Questions with Explanations

Classification questions become easier when you identify the axis first. Solve 12 practice MCQs, then use a worked four-case example to distinguish SISD, SIMD, MISD and MIMD.

Updated 26 Jul 20267 min readComputer Organization MCQs

CPU Scheduling Basics and Criteria MCQs: 12 Solved Questions with Explanations

Attempt 12 CPU scheduling MCQs, then check concise explanations, an FCFS metric map, and three calculations built carefully from units.

Updated 26 Jul 20267 min readOperating System MCQs

FTP, DNS & Telnet MCQs: 12 Solved Questions with Explanations

Solve 12 application-layer MCQs on DNS lookups, FTP connections and Telnet. Each answer explains the tested concept and rejects the distractors.

Updated 26 Jul 20269 min read54 viewsComputer Networks MCQs

Array Basics MCQs in C: 11 Solved Questions with Explanations

Solve 11 array basics questions from GATE, ISRO, UPPSC and UGC NET. Each answer explains the C rule or trace that rules out the strongest distractor.

Updated 23 Jul 202611 min read143 viewsData Structures MCQs

Backtracking Technique MCQs: Solved PYQs on N-Queens, Hamiltonian Cycle and Subset Sum

Attempt seven previous-year Backtracking Technique MCQs before checking the solutions. Then revise five descriptive questions with compact model-answer frameworks.

Updated 22 Jul 20268 min readAlgorithms MCQs

Operator Precedence and Associativity in C: The Table, the Traps and Solved Output Questions

Parse C expressions before evaluating them, using a focused precedence ladder and worked output questions on increments, assignment and comma.

Updated 22 Jul 20266 min read192 viewsMCQ Practice

Ambiguous and Inherently Ambiguous Grammar MCQs: 11 Solved Questions

Solve 11 ambiguity MCQs. Learn to prove CFG ambiguity, distinguish inherent ambiguity and read precedence from grammar structure.

Updated 29 Jul 20268 min readCompiler Design MCQs

Regex and FA Equivalence MCQs: 10 Solved Questions with Explanations

Work through ten Regex and FA Equivalence MCQs on language comparison, careful pattern parsing, minimum-state counting, complementation and remainder tracking.

Updated 21 Jul 20267 min read75 viewsTheory of Computation MCQs

DBMS Concurrency Problems MCQs: 10 Solved Questions with Explanations

Ten DBMS concurrency questions with worked values, operation orders, lock rules and concise explanations.

Updated 26 Jul 20268 min readDBMS MCQs

Sync Counter Analysis MCQs: 12 Solved GATE, UGC NET and PSC Questions

Solve 12 sync counter analysis questions on modulus, flip-flop count, frequency division and state tracing. Nine are previous-year problems with full working.

Updated 21 Jul 20267 min readDigital Electronics MCQs