GATE CS Preparation

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

84 articles in this topic

Phases of a Compiler for GATE: One Statement Traced Through Every Phase

Follow position = initial + rate * 60 through all six compiler phases. Each step shows the exact artifact, error class and hand-off that GATE can test.

Updated 15 Jul 20265 min readCompiler Design

Probability for GATE CS

Translate the wording into events before calculating. Exact dice, Bayes and expectation examples show how to build the denominator and avoid the standard independence trap.

Updated 14 Jul 20264 min readEngineering Mathematics

Final Year Placement Preparation Plan: A 90-Day Schedule for Aptitude, Coding and Interviews

Run aptitude, coding and interviews as three connected streams across 90 days. The schedule includes weekly hours, phase checkpoints and a rule for missed days.

21 Jul 20265 min readOperating Systems

Relational Algebra for GATE: Operators, Tuple-Counting and Query Equivalence Drills

Calculate set, join, and outer-join cardinalities on concrete relations, then use selection and projection pushdown without changing query meaning.

Updated 14 Jul 20265 min readDBMS

Ambiguous Grammars, Precedence and Associativity for GATE: Grammar Classification Questions Solved

Learn how to prove that a grammar is ambiguous, then remove expression ambiguity by encoding operator precedence and associativity into the grammar itself.

Updated 15 Jul 20265 min readTheory of Computation

Minimum Spanning Tree for GATE: Kruskal and Prim Numericals with Unique-MST Questions

Run Kruskal and Prim on the same weighted graph, verify their common cost, and use cut, cycle, and equal-weight reasoning to answer uniqueness questions.

Updated 14 Jul 20265 min readDSA & Algorithms

Booth's Algorithm for GATE: Signed Multiplication Traced Step by Step

Trace Booth multiplication through A, Q and Q-1, preserve the sign during every shift, and count additions and subtractions from bit transitions.

Updated 15 Jul 20264 min readComputer Organization & Architecture

Flip-Flop Conversion for GATE: Excitation Tables and the SR, JK, D, T Conversion Recipe, Solved

Convert one flip-flop into another with the target transition, the available device's excitation table and a K-map. The solved JK-to-T case shows every row.

Updated 15 Jul 20265 min readDigital Logic

Pointers in C for GATE

Draw pointers as addresses in boxes, then trace double pointers, arrays, swaps and precedence without guessing. The worked outputs show the method GATE rewards.

Updated 14 Jul 20265 min readC Programming & Data Structures

TCP Congestion Control for GATE

Track cwnd at one fixed point in every round, apply the correct growth rule, and reset it according to the stated loss signal. This guide works through the full table.

Updated 14 Jul 20265 min readComputer Networks

Master Theorem for GATE: All Cases, Boundary Traps and Solved Recurrences

Classify divide-and-conquer recurrences through one comparison, verify the regularity condition, and recognise the log-gap recurrences that need another method.

Updated 14 Jul 20265 min readGATE Strategy & Roadmap

LL(1) Parsing Table Construction for GATE

Build an LL(1) table cell by cell, test it for conflicts, and see how left recursion and common prefixes break predictive parsing.

Updated 14 Jul 20265 min readCompiler Design