MCQ Practice
Clear, exam-focused explainers on core computer science subjects and programming.
189 articles in this topic
Function MCQs: 11 Solved Questions on Domain, Range and Counting
Attempt 11 past-paper function MCQs, then check concise solutions covering finite mappings, ranges, subset images, countability and equivalence relations.
Basics of Memory MCQs: 12 Solved Questions with Explanations
Choose each answer before reading the explanation. These 12 solved questions cover memory units, address counts, hierarchy, SRAM, cache and access methods.
File and Network Services MCQs: 8 Solved Questions and 3 Written Checks
Solve eight Windows file and network service MCQs, then practise three written checks on IPC, transaction logging and sparse files with model responses.
CSMA/CA (Wireless) MCQs: 10 Solved Questions with Explanations
Solve ten CSMA/CA questions covering wireless LAN standards, contention, RTS/CTS, NAV, interframe spaces and service sets, with a careful note on one misnamed calculation.
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.
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.
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.
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.
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.
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.
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.
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.