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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.