Memorize the "Power Hierarchy" of parsers. Knowing that CLR is the most powerful and LR(0) is the least helps you eliminate options in MCQ questions instantly.

Creating a platform-independent code (like 3-Address Code ). Code Optimization: Making the code faster and leaner.

Uses only synthesized attributes (evaluated bottom-up).

CD questions in GATE often repeat patterns. Solving the last 15 years of questions is more valuable than reading five different textbooks. 4. Recommended Resources

Use diagrams for the phases of the compiler. If you can draw the flow, you can explain the logic.

Pro Tip: Understand the relationship between these. For example, every SLR(1) grammar is also LALR(1) and CLR(1), but not vice versa. Syntax Directed Translation (SDT)

Compiler Design is a small but mighty part of the GATE syllabus. By mastering the and the properties of Lexical Analysis , you can secure these marks with very little revision time compared to other subjects.

This is where most GATE questions come from. You need to master :