MCQ Practice
Clear, exam-focused explainers on core computer science subjects and programming.
461 articles in this topic
Operating System MCQs58 articlesDBMS MCQs51 articlesComputer Networks MCQs51 articlesTheory of Computation MCQs31 articlesData Structures MCQs52 articlesDiscrete Mathematics MCQs51 articlesCompiler Design MCQs24 articlesComputer Organization MCQs48 articlesAlgorithms MCQs33 articlesDigital Electronics MCQs37 articles
Call by Value, Address and Reference in C MCQs: 12 Solved Questions with Explanations
Solve 12 C questions on copied parameters, pointer writes, pointer-to-pointer swaps and array decay. Each answer includes a short trace and the exact exam trap.
Updated 8 Aug 20268 min read54 viewsData Structures MCQs
Job Sequencing and Activity Selection MCQs: 12 Solved Questions with Explanations (GATE/NET/ISRO)
Solve 12 activity selection and job sequencing questions step by step. The set covers greedy rules, compatibility, room counting, feasible schedules and maximum-profit slotting.
Updated 7 Aug 20268 min readAlgorithms MCQs
Encapsulation MCQs: 12 Solved OOP Questions with Explanations
Practise 12 real encapsulation questions and learn how to separate bundling, data hiding, abstraction, security, and the main OOP pillars.
Updated 7 Aug 20267 min readMCQ Practice
PDA Design and Basics MCQs: 12 Solved Questions with Explanations
Work through 12 PDA questions with option-by-option reasoning, a complete stack trace, class-containment checks, and a compact five-rule revision sheet.
Updated 6 Aug 20268 min read53 viewsTheory of Computation MCQs
LL(1) Parser and Parsing Table MCQs: 12 Solved PYQs with Explanations
Practise 12 LL(1) parser PYQs covering predictive parsing, minimum lookahead, grammar conflicts, FIRST, FOLLOW and parsing-table completion.
6 Aug 20269 min read50 viewsCompiler Design MCQs
Inner and Outer Join MCQs: 12 Solved DBMS Questions with Explanations
Solve 12 practice MCQs on natural, inner, left and full outer joins. Each answer traces tuples, keys, degree or cardinality.
Updated 6 Aug 20268 min read62 viewsDBMS MCQs
Number System Basics and Decimal Conversion MCQs: 12 Solved Questions
Practise 12 number system MCQs with fresh, step-by-step solutions covering radix, valid digits, decimal conversions, binary fractions, and base grouping.
Updated 5 Aug 20268 min read67 viewsDigital Electronics MCQs
Cut Set and Connectivity MCQs: 12 Solved Questions on Edge and Vertex Connectivity
Solve 12 graph connectivity MCQs, seven of them previous-year, then check each answer against an explanation of cut sets, articulation points and bridges.
Updated 5 Aug 20268 min readDiscrete Mathematics MCQs
Types of Software MCQs: 12 Solved Questions with Clear Explanations
Twelve previous-year MCQs on software types and language translators, from BPSC, KVS, DSSSB, EMRS and UP Police papers. Each answer names the clue, the distractors and the concept to remember.
Updated 5 Aug 20268 min readComputer Organization MCQs
FCFS Scheduling MCQs: 12 Solved Questions with Step-by-Step Explanations
Solve 12 FCFS scheduling questions with ready-queue order, Gantt charts and checked calculations. Learn how to separate response, waiting and turnaround time.
Updated 5 Aug 20267 min read133 viewsOperating System MCQs
ALOHA Protocols MCQs: 10 Solved Questions with Step-by-Step Explanations
Solve ten ALOHA questions covering formula choice, maximum throughput, offered load, one-transmitter probability, per-host throughput, and frame size.
5 Aug 20267 min read715 viewsComputer Networks MCQs
C Language Concepts MCQs: 12 Solved Questions with Explanations
Solve 12 C concept MCQs on strings, macros, escape sequences, declarations and sequencing. Each answer names the rule and the wrong option it is built to catch.
Updated 5 Aug 20268 min readData Structures MCQs