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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

DBMS Concurrency Problems MCQs: 10 Solved Questions with Explanations
Ten DBMS concurrency questions with worked values, operation orders, lock rules and concise explanations.

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.

