MCQ Practice
Clear, exam-focused explainers on core computer science subjects and programming.
445 articles in this topic

Third Normal Form (3NF) MCQs: 12 Solved Questions with Explanations
Solve 12 real 3NF exam MCQs with clear explanations, candidate-key closures, a raw-row decomposition, and the prime-attribute exception that separates 3NF from BCNF.

Null Set, Universal Set, Subset and Proper Subset MCQs: 12 Solved Questions
Practise 12 MCQs on null sets, universal sets, subsets, proper subsets, complements and nested inclusion, with clear reasoning for every answer.

Assembly & Assembler Design MCQs: 11 Solved PYQs Explained
Attempt 11 published PYQs on assembler directives, language levels, tables, register-pair instructions, debugging and fixed-width arithmetic, then check each worked explanation.

Multilevel Paging MCQs: 12 Solved Questions with Explanations
Solve 10 MCQs and two NATs on multilevel paging. Each answer works through the address bits, table capacity or access-time path that decides the result.

Firewall, VPN, IDS and IPS MCQs: 11 Network Security Questions Solved
Solve 11 previous-year questions on firewalls, VPNs, IDS and IPS. Learn rule filtering, connection state, DMZ design, IPsec modes, tunnels and signatures.

Infix, Postfix and Prefix MCQs: 12 Solved Questions with Step-by-Step Explanations
Solve 12 expression-notation MCQs in increasing difficulty, from basic stack use to conversions, associativity and maximum operand-stack depth.

Second Normal Form (2NF) MCQs: 12 Solved Questions with Explanations
Test your 2NF understanding with 12 solved MCQs on full dependency, partial dependency, candidate keys, closures, and normal-form guarantees.

First-Order Predicate Logic MCQs: 10 Solved Questions with Explanations
Solve ten first-order logic questions, then check each answer through finite models, precise translations, countermodels, and valid inference rules.

Disk Structure & Address MCQs: 10 Solved PYQs with CHS Calculations
Solve 10 published disk structure PYQs with concise explanations for geometry, capacity, sector addressing, CHS conversion, file placement, CLV and CAV.

LOOK and C-LOOK Algorithm MCQs: 10 Solved Questions with Explanations
Solve 10 LOOK and C-LOOK MCQs, from core definitions to complete service-order and seek-distance calculations, with a fresh explanation for every answer.

Network Security Goals, Threats and Attacks MCQs: 12 Solved Questions
Solve 12 network-security MCQs covering confidentiality, integrity, attack types, spoofing, DDoS and protection properties. Every answer has a clear explanation and a link to practise the question again.

Circular Queue MCQs: 12 Solved Questions with Step-by-Step Explanations
Solve 12 Circular Queue MCQs in sequence, with exact options and concise explanations for pointer conventions, wrap-around arithmetic and linked queues.