Compiler Design
Why this subject matters: Compiler design ties together automata theory, data structures, and computer organization into one applied subject — a smaller GATE topic by weightage, but one that builds genuine systems-thinking valued in senior engineering interviews.
Compilers: Principles, Techniques, and Tools
The "Dragon Book" — the definitive compiler design textbook, covering lexical analysis through code generation in the depth most university courses and GATE questions are drawn from.
Compiler Design
An India-focused treatment that walks through each compilation phase — lexical analysis, parsing, code generation — with explanations pitched closer to how the subject is actually taught in Indian university courses.
A Textbook of Compiler Design
Precise, exam-focused content with numerous solved examples — particularly beneficial for GATE aspirants working through phase-by-phase compiler design problems.