GATE CS Preparation

Subject-wise strategy, PYQ analysis, and realistic study plans for GATE CS aspirants.

22 articles in this topic

Divide and Conquer for GATE: Recurrence Analysis of Merge Sort, Quick Sort and Binary Search

Turn split, solve and combine into a recurrence, then solve the standard Merge Sort, Quick Sort and Binary Search cases without relying on memorised answers.

Updated 21 Aug 20265 min readGATE Strategy & Roadmap

Object-Oriented Programming (OOPS): Core Concepts with a Worked C++ Example

Build one connected OOP model, then trace how two account objects respond differently through the same C++ base-class interface.

Updated 19 Aug 20267 min readGATE Strategy & Roadmap

CPU Performance Numericals for GATE: CPI, MIPS and Amdahl's Law Solved

Build every CPU performance answer from one equation. Then use it to solve weighted CPI, execution time, MIPS and Amdahl speedup without mixing the units.

Updated 17 Aug 20266 min readGATE Strategy & Roadmap

Visual Basic Programming Language: Syntax, Events and Worked Examples

Build a clear mental model of Visual Basic on .NET, then trace a Windows Forms result calculator from input validation to its final event-driven output.

Updated 15 Aug 20267 min readGATE Strategy & Roadmap

Counting Functions for GATE: One-One, Onto and Bijections, with Every Formula Derived

Fix domain and codomain sizes first, then derive total, injective, surjective and bijective counts through choices, permutations and inclusion-exclusion.

Updated 13 Aug 20266 min readGATE Strategy & Roadmap

Society, Law and Ethics in ICT: Privacy, Cybercrime and Worked Examples

Learn to separate social, legal, ethical and security questions through worked ICT cases on access, privacy, phishing, intellectual property and e-waste.

Updated 11 Aug 20266 min readGATE Strategy & Roadmap

Moore vs Mealy Machines for GATE: State Diagrams, Conversion and State Minimization, Solved

Follow one overlapping 11 detector through Mealy and Moore forms, then convert, trace and minimize finite-state machines without losing a clock.

Updated 9 Aug 20266 min read50 viewsGATE Strategy & Roadmap

Internet Fundamentals: Architecture, Connections, DNS, URLs and Worked Examples

Build a clean mental model of the Internet and Web, then trace a browser request and calculate transfer time, cache expiry and segment count.

Updated 6 Aug 20266 min readGATE Strategy & Roadmap

Pigeonhole Principle and Inclusion-Exclusion for GATE: Counting Problems Solved Step by Step

Make the guarantee step and the inclusion-exclusion signs automatic through two fully checked, GATE-shaped counting problems.

Updated 4 Aug 20266 min readGATE Strategy & Roadmap

Electronic Data Interchange and E-Commerce: Secure Workflows, Cyber Law and Worked Examples

Follow purchase order PO7421 through mapping, secure transport, acknowledgements, validation, replay protection, invoicing, and audit evidence.

Updated 1 Aug 20266 min readGATE Strategy & Roadmap

Transmission and Propagation Delay for GATE

Separate the time needed to put a packet on a link from the time needed for its bits to travel. Then solve delay, pipe-capacity and utilisation questions without unit mistakes.

Updated 29 Jul 20266 min readGATE Strategy & Roadmap

InfyTQ Certification: Exam Rounds, Syllabus, and the Path to an Infosys Offer

Understand the InfyTQ learning and certification path, what the technical and coding rounds demand, and why certification opens an interview rather than guaranteeing an offer.

Updated 27 Jul 20265 min readGATE Strategy & Roadmap