MCQ Practice

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

415 articles in this topic

Regex Design & Algebra MCQs: 12 Solved Questions with Explanations

Solve 12 regex design and algebra MCQs with step-by-step reasoning, short counterexamples and a practical method for checking each option.

6 Sep 20268 min readTheory of Computation MCQs

Relational Model and Database Anomalies MCQs: 12 Solved Questions

Solve 12 relational-model MCQs, then use one concrete ENROLMENT table to understand update, insertion and deletion anomalies without memorising labels.

Updated 6 Sep 20268 min readDBMS MCQs

Sequential Logic and Latches MCQs: 10 Solved Questions with Explanations

Solve 10 published-bank questions on sequential logic, latch polarity, state transitions and multivibrators. Each answer explains the decision that gets you to the next state.

Updated 6 Sep 20267 min readDigital Electronics MCQs

Cartesian Product, Relation, Inverse and Complement MCQs: 10 Solved Questions

Solve 10 live Cartesian product and relation questions with concise working for relation counts, complements, composition, ordering and no-repetition strings.

Updated 6 Sep 20267 min readDiscrete Mathematics MCQs

Disk Access Time and Performance MCQs: 12 Solved Questions Explained

Solve 12 disk performance MCQs with checked steps for seek time, rotational delay, transfer rate, swap time, and total access time.

Updated 6 Sep 20268 min readComputer Organization MCQs

Operating System Structure and Interface MCQs: 12 Solved Questions

Test your understanding of OS architecture, booting, and user interfaces with 12 answered MCQs. Each explanation shows the rule that separates the correct option from its distractors.

5 Sep 20267 min readOperating System MCQs

Network Topology MCQs: 12 Solved PYQs with Answers and Explanations

Solve 12 network topology PYQs and learn how physical cues, failure behaviour, cabling needs and pair counting reveal the correct answer.

Updated 5 Sep 20267 min read77 viewsComputer Networks MCQs

Topological Sort & SCC MCQs: 12 Solved GATE Questions with Explanations

Solve 12 published GATE questions on topological ordering, SCCs, DFS trees, timestamps and graph connectivity, with direct explanations for every answer.

5 Sep 20268 min readData Structures MCQs

Time Complexity of Loops MCQs: 12 Solved Questions with Explanations

Solve 12 previous-year loop questions by counting iterations, tracing values, summing dependent loops and separating running time from return values.

Updated 5 Sep 20268 min readAlgorithms MCQs

C++ Constructors MCQs: 12 Solved Object-Initialization Questions

Solve 12 published C++ constructor questions by tracing object creation, copy semantics, arrays, access, virtual rules, and dynamic allocation.

Updated 5 Sep 20267 min readMCQ Practice

NFA to DFA Conversion MCQs: 12 Solved Questions with Explanations

Solve 12 published NFA to DFA MCQs with concise explanations, power-set calculations, and a complete four-state subset construction.

5 Sep 20267 min read151 viewsTheory of Computation MCQs

SQL Inner and Outer Join MCQs: 12 Solved Questions with Explanations

Solve 12 join MCQs, check each answer immediately, and learn the row-preservation and matching rules behind the result.

Updated 4 Sep 20268 min readDBMS MCQs