MCQ Practice

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

456 articles in this topic

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 read226 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

Ripple Counter MCQs: 12 Solved Questions on Modulus, States and Delay

Solve 12 ripple counter MCQs by reading the clock chain, calculating modulus and state movement, and adding propagation delays correctly.

Updated 4 Sep 20267 min read51 viewsDigital Electronics MCQs

Onto (Surjective) Function MCQs: 11 Solved Questions on Definition, Count and Properties

Solve six MCQs, one MSQ and four NAT questions on onto functions. Each answer explains the exact definition, proof or counting step you need.

Updated 4 Sep 20268 min readDiscrete Mathematics MCQs

Direct Mapping MCQs: 12 Solved Cache Questions with Explanations

Solve 12 direct-mapped cache questions covering modulo mapping, address fields, tag overhead, hexadecimal addresses, conflict misses, and reverse inference.

Updated 4 Sep 20268 min read69 viewsComputer Organization MCQs

Linux IPC & Networking MCQs: 12 Solved Questions with Explanations

Test your reasoning against 12 published Linux questions covering IPC models, pipes, signals, networking tools, command pipelines, permissions, cron and shell parameters.

4 Sep 20267 min readOperating System MCQs

Modes and Connections MCQs: 12 Solved Questions with Explanations

Solve 12 published modes and connections questions using arrow tests, device counts and clean distinctions between direction, timing and link sharing.

4 Sep 20268 min readComputer Networks MCQs

DFS Applications MCQs: 12 Solved Questions with Explanations

Attempt 12 published DFS questions, then check each answer against a concise explanation and two fully worked graph traces.

Updated 4 Sep 20268 min readData Structures MCQs

Comparisons and Searching MCQs: 12 Solved GATE, ISRO and PYQ Questions with Explanations

Solve 12 searching and comparison questions with complete traces, formulas and decision-tree reasoning. Each question includes its answer and a link to the solved page.

Updated 4 Sep 20267 min readAlgorithms MCQs