MCQ Practice
Clear, exam-focused explainers on core computer science subjects and programming.
457 articles in this topic
Operating System MCQs57 articlesDBMS MCQs50 articlesComputer Networks MCQs50 articlesTheory of Computation MCQs31 articlesData Structures MCQs52 articlesDiscrete Mathematics MCQs50 articlesCompiler Design MCQs24 articlesComputer Organization MCQs48 articlesAlgorithms MCQs33 articlesDigital Electronics MCQs37 articles
Directory Structure MCQs: 12 Solved OS Questions with Explanations
Solve 12 directory structure questions covering file attributes, directory models, Unix commands, links, inode addressing and block bookkeeping. Each answer includes a direct explanation or complete calculation.
20 Aug 20268 min readOperating System MCQs
Encoding and Modulation MCQs: 11 Solved Questions with Explanations
Work through 11 solved MCQs on modems, QAM, line coding, PCM, Base64 and mixed signal facts. Each answer names the deciding idea and shows the numbers.
Updated 20 Aug 20268 min readComputer Networks MCQs
C Structures and Unions MCQs: Declaration, Initialization and sizeof Solved with Explanations
Solve 10 C structures and unions questions with clear reasoning on declarations, typedef aliases, node allocation, memory layout and function calls.
Updated 20 Aug 20267 min readData Structures MCQs
Introduction to Dynamic Programming MCQs: 12 Solved Questions with Explanations
Solve 12 introductory dynamic programming MCQs with clear explanations of core properties, memoization, Fibonacci, design steps, LIS, and table order.
Updated 20 Aug 20268 min readAlgorithms MCQs
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 read96 viewsTheory 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 read104 viewsDigital 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