Explore topic-wise MCQs in Compilers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.

1.

What data structure in a complier is used for managing information about variables and their attributes?

A. Abstract syntax tree
B. Symbol table
C. Semantic stack
D. Parse table
Answer» C. Semantic stack
Discussion
2.

An LALR(1) parser for a grammar can have shift-reduce (S-R) conflicts if and only if ___________

A. The SLR(1) parser for G has S-R conflicts
B. The LR(1) parser for G has S-R conflicts
C. The LR(0) parser for G has S-R conflicts
D. The LALR(1) parser for G has reduce-reduce conflicts
Answer» C. The LR(0) parser for G has S-R conflicts
Discussion
3.

Some code optimizations are carried out on the intermediate code because _______________

A. They enhance the portability of the complier to other target processors
B. Program analysis is name accurate on intermediate code than on machine code
C. The information from data flow analysis cannot otherwise be used for optimization
D. The information from the front end cannot otherwise be used for optimization
Answer» C. The information from data flow analysis cannot otherwise be used for optimization
Discussion