MCQ Practice

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

189 articles in this topic

2-D Transformations and Algorithms MCQs: 12 Solved Questions with Explanations

Attempt 12 solved 2-D transformation MCQs on scaling, reflection, rotation, shearing and viewing, with a formula sheet and the trap behind each wrong option.

Updated 19 Aug 20268 min readMCQ Practice

Chomsky Hierarchy and Grammar Basics MCQs: 10 Solved Questions

Solve 10 previous-year questions on the Chomsky hierarchy, grammar restrictions, recognising machines, language inclusion, derivations and ambiguity. Each answer gives a worked reason and names the exam trap to avoid.

Updated 19 Aug 20268 min readTheory of Computation MCQs

SSA and Control Flow MCQs: 10 Solved Questions with Step-by-Step Explanations

Practise ten SSA and control-flow questions from GATE and TPSC papers, then check a worked proof for every answer. Temporary counts, total names, CFG edges and backpatch lists each count differently.

18 Aug 20268 min readCompiler Design MCQs

Variations of 2PL: 8 Solved MCQs and 2 Worked Questions on Strict, Rigorous and Conservative Locking

Test the differences between basic, strict, rigorous and conservative 2PL. Eight objective questions and two worked schedules show how each lock rule changes the answer.

Updated 18 Aug 20268 min readDBMS MCQs

Digital Fundamentals & Boolean Algebra MCQs: 12 Solved Questions

Solve 12 Boolean algebra MCQs with clear checks for notation, laws, truth tables, simultaneous equations, XOR and XNOR.

Updated 18 Aug 20267 min readDigital Electronics MCQs

Closure, Associativity, Semigroup and Monoid MCQs: 12 Solved Questions

Test each unfamiliar operation in the right order. These 12 MCQs explain closure, associativity, identity, semigroups, monoids and stronger classifications step by step.

18 Aug 20267 min readDiscrete Mathematics MCQs

Hardware and Software MCQs: 12 Solved COA Questions with Explanations

Solve 12 introductory COA MCQs with clear explanations for architecture, hardware, software, computer characteristics, controllers, buffers and storage.

Updated 18 Aug 20267 min readComputer Organization MCQs

Optimal Replacement MCQs: 10 Solved Questions with Step-by-Step Page-Fault Explanations

Solve 10 Optimal Replacement questions from GATE, ISRO, HTET, UPPSC and DSSSB papers, then check each answer against a full three-frame page-fault trace.

18 Aug 20268 min readOperating System MCQs

Baud Rate, Bit Rate and Ethernet Signal Representation MCQs: 10 Solved Questions

Ten solved MCQs on baud rate, bit rate, Ethernet encoding, transmission and propagation delay, CSMA/CD collision timing, utilisation and audio storage.

18 Aug 20267 min readComputer Networks MCQs

Storage Classes in C MCQs: 12 Solved Questions with Explanations

Test your storage-class basics with 12 fully explained C questions, then learn the code-reading method for static recursion, pointer lifetime and extern declarations.

Updated 18 Aug 20267 min readData Structures MCQs

Heap Sort MCQs: 10 Solved Questions with Explanations (GATE, ISRO, DSSSB)

Solve 10 heap sort questions drawn from GATE, ISRO, DSSSB and other papers. Each answer explains the tested fact, shortcut or calculation.

Updated 18 Aug 20267 min readAlgorithms MCQs

Levels of Testing MCQs: 12 Solved Questions on Unit, Integration, System and Acceptance Testing

Solve 12 testing-level MCQs while learning how scope, interfaces and the source of the expected result separate unit, integration, system and acceptance testing.

Updated 17 Aug 20268 min readMCQ Practice