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
DBMS Normalization MCQs: 12 solved questions from 1NF to BCNF (GATE/NET)
DBMS normalization MCQs: 12 solved previous-year questions from GATE, UGC NET, DSSSB and TPSC papers on 1NF, 2NF, 3NF, BCNF and lossless join decomposition.
13 Jul 20267 min read286 viewsDBMS MCQs
Graph MCQs: 10 solved questions on representations, BFS, DFS and connectivity
Graph solved MCQs with explanations: 10 GATE PYQs on the adjacency matrix and list, BFS and DFS traversals, running times, connected components and SCCs.
Updated 29 Jul 20267 min read233 viewsData Structures MCQs
Context-Free Grammar MCQs: 11 solved questions on CFG, CFL and PDA
Context-free grammar solved MCQs with explanations: 11 GATE PYQs on CFGs, the Chomsky hierarchy, CFL closure properties, pushdown automata and decidability.
12 Jul 20267 min readTheory of Computation MCQs
Computer Networks Application Layer MCQs: 12 solved DNS, HTTP and email questions
Application layer MCQs with solutions: 12 solved GATE, PSC and PSU questions on DNS, Telnet, FTP, HTTP over TCP, cookies, and the SMTP to POP3 email flow.
12 Jul 20266 min readComputer Networks MCQs
Process Management and Process States MCQs: 12 solved questions
Process management and process states MCQs for GATE, DSSSB and PSU exams: the process lifecycle, legal state transitions, the PCB and TCB, and the schedulers.
Updated 25 Jul 20266 min read97 viewsOperating System MCQs
Disk Scheduling MCQs: 12 solved questions (FCFS, SSTF, SCAN)
Disk scheduling MCQs for GATE, UGC NET, DSSSB and BPSC: FCFS, SSTF, SCAN and C-SCAN head-movement numericals, seek time and direction changes, each solved.
Updated 22 Jul 20269 min read241 viewsOperating System MCQs
Threads and Process Creation MCQs: 12 solved questions with explanations
Threads and process creation MCQs for GATE, UGC NET and PSU papers: user versus kernel threads, what threads share, fork counting, and thread cancellation.
11 Jul 20268 min readOperating System MCQs
File Systems and Allocation MCQs: 12 solved questions with explanations
File systems and allocation MCQs for GATE, state PSC and PSU papers: contiguous, linked and indexed allocation, Unix i-node sizing, directories, disk layout.
11 Jul 20268 min readOperating System MCQs
Page Replacement Algorithms MCQs: 12 solved questions (FIFO, LRU, Optimal)
Page replacement MCQs for GATE, UGC NET and DSSSB: FIFO and Belady's anomaly, LRU, Optimal, and page-fault counting numericals, each solved and explained.
Updated 29 Jul 20268 min read193 viewsOperating System MCQs
Virtual Memory and Demand Paging MCQs: 12 solved questions with explanations
Virtual memory and demand paging MCQs for GATE, UGC NET and placement: address translation, page-table size, effective access time, thrashing, frames.
Updated 26 Jul 20268 min read90 viewsOperating System MCQs
Binary Tree MCQs: 11 solved questions on traversals, BST, AVL and heaps
Binary tree solved MCQs with explanations: 11 previous-year questions, 10 from GATE, on tree properties, traversals, binary search trees, AVL and heaps.
Updated 22 Jul 20268 min readData Structures MCQs
Finite Automata MCQs: 10 solved questions on DFA, NFA and minimization
Finite automata solved MCQs with explanations: 10 GATE PYQs on DFA design, minimal-state counting, complement, and the NFA to DFA subset-construction bound.
Updated 14 Jul 20267 min read100 viewsTheory of Computation MCQs