CS Fundamentals
470 articles in this topic
Threads and Process Creation in OS: fork() Worked Examples
See exactly what processes and threads own, then trace copy-on-write, a conditional fork tree, and a shared-counter race without relying on shortcuts.
Updated 24 Aug 20266 min readOperating Systems
SQL in DBMS: Complete Guide with Queries, Joins and Worked Results
Learn SQL by following one college database from table creation to joins, aggregates, subqueries, and transactions. Every worked query includes the rows you should predict.
Updated 24 Aug 20266 min readDBMS
Complexity Theory in Theory of Computation: P, NP, NP-Completeness and Worked Examples
Build complexity theory from input encoding upwards, then test each idea through a verified certificate and a complete 9-vertex reduction graph.
Updated 24 Aug 20266 min readTheory of Computation
IEEE 754 Floating-Point Standard: Binary32, Rounding and Worked Examples
Learn how IEEE 754 stores floating-point values, then encode -13.25, decode 0x3F400000, classify special values and reason about rounding errors.
Updated 23 Aug 20266 min read65 viewsComputer Organization & Architecture
Digital India and e-Governance: Models, Service Architecture and Worked ICT Examples
See how an e-governance service works from request to decision. Follow a fictional application, calculate workload and uptime, and test its controls.
Updated 23 Aug 20265 min readDigital Logic
Dynamic Memory Allocation, Macros, Scoping and File Handling in C: Worked Examples
Trace four C concepts through code: grow an array without losing ownership, expand macros safely, resolve shadowed names, and process file records by return status.
Updated 23 Aug 20266 min readC Programming & Data Structures
IPv4 and Network Layer Protocols: Complete Guide with Worked Examples for GATE CS
Build a clear picture of IPv4, its support protocols and the header calculations that matter in GATE CS. Includes a complete fragmentation example.
Updated 23 Aug 20266 min read55 viewsComputer Networks
Left Factoring in Compiler Design: Prefix Rules, Worked Grammars and Exam Traps
Learn how to find a useful common prefix, factor a grammar to a fixed point, preserve empty suffixes, and test what the result does and does not prove.
Updated 23 Aug 20265 min readCompiler Design
3D Object Representation, Geometric Transformations and Viewing: A Worked Pipeline
Track three vertices through a complete 3D graphics pipeline. The worked example makes matrix order, camera depth and viewport conversion explicit.
Updated 22 Aug 20266 min readEngineering Mathematics
Memory Management in Operating Systems: Paging, Virtual Memory and Worked Examples
Connect allocation, paging, segmentation and virtual memory through one address-translation system, two access-time calculations and a full replacement trace.
Updated 22 Aug 20265 min read102 viewsOperating Systems
Relational Model and Functional Dependencies in DBMS: Keys, Closure and Minimal Cover
Build keys, closures and a minimal cover from one seven-attribute enrolment relation. Then use the same dependencies to explain redundancy and decomposition.
Updated 22 Aug 20265 min read56 viewsDBMS
Closure Properties of Regular, Context-Free and Recursive Languages for GATE: The Complete Table with MSQ Drills
Learn the closure table through the few cells that cause most mistakes, then test the logic on four solved MSQ statements.
Updated 22 Aug 20265 min readTheory of Computation