CS Fundamentals

263 articles in this topic

Software Sizing: LOC and Function Point Estimation with Worked Examples

LOC and function points answer different sizing questions. Learn both through a four-module LOC estimate, a full function-point calculation, and unit-safe effort conversions.

Updated 17 Aug 20266 min readCS Fundamentals

Computer Organization and Architecture Basics: Complete Guide with Worked Examples

Follow an instruction from bits through the CPU, memory and I/O, then solve exact examples on overflow, CPI, pipelines, cache fields, AMAT and interrupts.

Updated 15 Aug 20266 min readComputer Organization & Architecture

Boolean Expressions in Digital Electronics: Laws, Canonical Forms and Worked Simplification

Learn one Boolean function from notation to truth table, canonical forms, simplification and NAND gates, with checks that expose common errors.

Updated 15 Aug 20265 min readDigital Logic

Instruction Formats and Expanding Opcode for GATE: Solved Encoding Numericals

Treat every instruction format as a bit budget. A four-level worked example shows exactly how unused opcode patterns expand into the next instruction class.

Updated 15 Aug 20265 min readC Programming & Data Structures

Ethernet in the Data Link Layer: Frame Format, CSMA/CD, and Worked GATE Examples

Build Ethernet from its frame fields upward, then solve collision-window, back-off, efficiency, and domain-counting problems with the reasoning shown.

Updated 15 Aug 20266 min readComputer Networks

Semantic Analysis and SDT in Compiler Design: Attributes, Worked Examples, and How GATE Tests It

Learn how semantic analysis validates meaning, how SDDs and SDTs evaluate attributes, and how to trace two common exam-style problems to their final answers.

Updated 15 Aug 20266 min readCompiler Design

Set Theory in Discrete Mathematics: Operations, Laws and Worked Examples

Build set theory from elements and subsets to algebra, inclusion-exclusion and Cartesian products, with every important result worked out step by step.

Updated 15 Aug 20265 min readEngineering Mathematics

Operating System for GATE: Syllabus, Weightage Pattern and Prep Order

See what GATE officially includes under Operating System, how we classified two 2026 CS papers, and how to turn that scope into a 30-hour study plan.

Updated 15 Aug 20265 min readOperating Systems

Data Warehousing and Data Mining in DBMS: Star Schema, OLAP Operations and Apriori with Worked Examples

Move from warehouse vocabulary to hand-worked answers. Build a star schema, operate on a data cube, run Apriori, and follow two k-means iterations.

Updated 15 Aug 20266 min readDBMS

Regular Expressions in Theory of Computation: Rules, Conversions and Worked Examples

Learn what classical regular expressions denote, construct one from a language condition, convert it through NFA and DFA, and check equivalence with worked examples.

Updated 15 Aug 20266 min readTheory of Computation

Pipelining in COA: Speedup, Hazards, and Worked GATE Examples

Build a clear mental model of pipelining, then use it to solve clock-period, speedup, throughput, efficiency, and hazard questions step by step.

Updated 13 Aug 20266 min readComputer Organization & Architecture

Sequential Circuits in Digital Electronics: Flip-Flops, Registers and a Worked Mod-4 Counter

Learn to trace sequential logic edge by edge, then design and verify a two-bit synchronous counter using state tables, D-input equations and timing constraints.

Updated 13 Aug 20266 min readDigital Logic