CS Fundamentals
469 articles in this topic
Synchronous Counter Design: A MOD-6 JK Flip-Flop Worked Example
Build a MOD-6 synchronous up counter from its state sequence to its JK input equations, then verify valid states, recovery paths, and clock timing.
Updated 29 Aug 20265 min read59 viewsDigital Logic
C Function Basics MCQs: 10 Solved Questions on Prototypes, Calls and Parameters
Solve 10 C function MCQs, then use the explanations to separate declarations, definitions, copied arguments, return values, static locals and scope.
Updated 29 Aug 20267 min readC Programming & Data Structures
Computer Networks for GATE: Syllabus Areas, Weightage Pattern and How to Prepare
Learn what CN covers in GATE, where its questions tend to come from, and how to sequence the subject. Includes verified subnetting and stop-and-wait examples.
Updated 29 Aug 20264 min read67 viewsComputer Networks
Compiler Design for GATE: A 6-Week Topic-by-Topic Study Plan
Follow a fixed eight-hour weekly clock through compiler phases, parsing, translation, runtime storage, optimisation and mixed revision.
Updated 29 Aug 20265 min readCompiler Design
Graph Matching: Maximal, Maximum and Perfect Matchings with Augmenting-Path Examples
Learn how maximal, maximum and perfect matchings differ. Follow one bipartite graph from a stuck greedy choice to a perfect matching using two augmenting paths.
Updated 27 Aug 20265 min readEngineering Mathematics
Windows Operating System: Architecture, Processes, Memory and Worked Examples
Build a clear Windows architecture map, then practise exact traces for file I/O, thread scheduling, semaphores, paging and access checks.
Updated 27 Aug 20266 min readOperating Systems
Relational Algebra in DBMS: Complete Guide with Worked Queries
Learn relational algebra by tracing selection, projection, set operations, joins, and division through one small university database with exact outputs.
Updated 27 Aug 20265 min readDBMS
Simplification of CFG: Eliminate Epsilon, Unit and Useless Productions Step by Step
Learn the safe order for simplifying a context-free grammar. One example tracks every production through epsilon removal, unit closure, and useless-symbol removal.
Updated 27 Aug 20266 min readTheory of Computation
Computer Memory Basics: Addressability, Capacity and Chip Organisation with Worked Examples
Learn to separate addresses, bytes, words, address lines and data lines. Worked examples cover a 256 KiB byte-addressable memory, chip organisation, and a 16K x 16 expansion.
Updated 26 Aug 20266 min read50 viewsComputer Organization & Architecture
Adders and Subtractors in Digital Logic: Circuits, Worked Examples and Exam Traps
Learn adders and subtractors from one-bit truth tables to four-bit ripple circuits, with verified addition, subtraction, overflow and delay examples.
Updated 26 Aug 20266 min readDigital Logic
File Handling in C: fopen, Read, Write, Append and Seek with Runnable Examples
Build safe C file workflows with text and binary examples. Write records, total them, append data, seek by byte offset, and handle failures.
Updated 26 Aug 20266 min readC Programming & Data Structures
Transport Layer Services in Computer Networks: TCP, UDP and Reliability with Worked Examples
Understand process-to-process delivery, compare TCP with UDP, and follow one connection through setup, loss recovery, flow control and closure.
Updated 26 Aug 20265 min readComputer Networks