CS Fundamentals
474 articles in this topic
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
Instruction Formats and Addressing Modes in COA: Complete Guide with Worked Examples
Learn how zero, one, two, and three-address instructions change a program, then solve expanding-opcode and effective-address questions step by step.
Updated 21 Aug 20266 min read55 viewsComputer Organization & Architecture
Synchronous Counter Analysis: Two Worked State Sequences for GATE
Analyse two three-bit synchronous counters step by step. One produces a binary MOD-8 sequence, while the other shows how unused states can trap a circuit.
Updated 21 Aug 20265 min readDigital Logic
Storage Classes, Structures and Enums in C: Worked Examples for GATE Output and sizeof Questions
Trace static variables across calls, calculate structure padding byte by byte, compare structures with unions, and follow enum values after an explicit jump.
Updated 21 Aug 20265 min readC Programming & Data Structures
Cloud Computing and IoT in Computer Networks: Complete Guide with Worked Examples
Learn how cloud models, IoT protocols, network throughput, messaging overhead, and edge latency fit together through three solved examples.
Updated 21 Aug 20265 min readComputer Networks
SSA and Control Flow in Compiler Design: Dominators, Phi Nodes and a Worked CFG
Build SSA as one connected process. This worked compiler-design example goes from a six-block CFG to dominators, phi placement, renaming and return value 3.
Updated 21 Aug 20266 min read65 viewsCompiler Design
Mathematical Representation of Points and Lines in Computer Graphics: From Equations to Pixels
Follow one segment from Cartesian coordinates to line equations, a point projection, a homogeneous intersection and seven selected pixels.
Updated 21 Aug 20266 min readEngineering Mathematics
File Systems and I/O for GATE: Allocation, Inodes and Worked Examples
A file-system question becomes manageable when you trace the path from a name to an inode, blocks and device I/O. Work through allocation, offsets and timing with reproducible examples.
Updated 21 Aug 20267 min readOperating Systems
ER Diagram in DBMS: Complete Guide with Worked Examples for GATE and Interviews
Learn to read a crowded ER diagram, reduce it to the minimum relational tables, and avoid the weak-entity, multivalued-attribute, and relationship traps that change the answer.
Updated 21 Aug 20267 min readDBMS