GATE CS Subject
Compiler Design GATE CS Questions
- 183 questions in this subject
- Years covered: 1987-2026
- Topic: Lexical Analysis
- Topic: Parsing
- Topic: Syntax Directed Translation
- Topic: Code Generation
- Topic: Optimization
Overview & Analysis
Compiler Design (CD) is a compact and highly scoring subject, usually accounting for 4 to 6 marks in the GATE CS exam. It covers the stages of a compiler from source text ingestion to machine code generation.
The questions focus heavily on parser table construction (LL, LR, LALR), Syntax-Directed Translation (SDT) evaluations, intermediate representation generation, and compiler optimization techniques.
Frequently Asked Questions (FAQ)
Q: Which parser types are most frequently asked in Compiler Design?
A: Bottom-up parsers, especially LR(0), SLR(1), LR(1), and LALR(1), are tested frequently. You should know how to build parser states and check for shift-reduce (S-R) or reduce-reduce (R-R) conflicts.
Q: What is the difference between S-attributed and L-attributed SDT?
A: S-attributed definitions use only synthesized attributes (evaluated bottom-up). L-attributed definitions can use both synthesized and inherited attributes, provided the inherited attributes depend only on parent and left-sibling attributes.
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