Compiler Design MCQ Questions and Answers for Practice

Compiler Design Multiple Choice Questions (MCQs) are essential practice tools for students and exam aspirants looking to master the intricacies of compiler construction and optimization.

About Compiler Design MCQ Questions

Compiler Design MCQs cover a wide range of topics including lexical analysis, syntax analysis, semantic analysis, code generation, and optimization techniques. These questions are designed to test your understanding of the theoretical concepts and practical applications in compiler design.

Why Practice Compiler Design Objective Questions?

Practicing Compiler Design MCQs is crucial for acing exams, preparing for interviews, and revising key concepts. These questions help reinforce your knowledge, improve problem-solving skills, and build confidence in tackling complex compiler-related challenges.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Compiler Design MCQ Questions for Practice

1. How many parts of compiler are there?

2. What is the output of lexical analyzer?

A parse tree
A list of tokens
Intermediate code
Machine code

3. Three address code invloves

exactly 3 address
at the most 3 address
no unary operators
none of these

4. When a computer is first turned on or resrarted, a special type of absolute loader is executed called

Compile and GO loader
Boot loader
Boot strap loader
Relating loader

5. When is the type checking usually done?

During syntax directed translation
During lexical analysis
During code optimization
During syntax analysis

6. In a compiler, when is the keyboards of a language are recognized?

During the lexical analysis of a program
During parsing of the program
During the code generation
During the data flow analysis

7. Scissoring enables

a part of data to be displayed
entire data to be displayed
full data display on full area of screen
no data to be displayed

8. The graph that shows basic blocks and their successor relationship is called

DAG
Flow graph
control graph
Hamiltonion graph

9. Which of the following groups is/are token together into semantic structures?

Syntax analyzer
Intermediate code generation
Lexical analyzer
Semantic analyzer

10. Relocation bits used by relocating loader are specified by

relocating loader itself
linker
assembler
macro processor

11. The identification of common sub-expression and replacement of run-time computations by compile-time computations is

local optimization
loop optimization
constant folding
data flow analysis

12. What information need to be included in an object module, if a linker is given object modules for a set of programs that were compiled separately?

Names and locations of all external symbols defined in the object module
Object code
Absolute addresses of internal symbols
Relocation bits

13. Compiler should report the presence of ......... in the source program, in translation process

Classes
Objects
Errors
Text

14. Lexical analysis is about breaking a sequence of characters into

Groups
Packets
Lines
Tokens

15. In a compiler, the data structure responsible for the management of information about variables and their attributes is

Semantic stack
Parser table
Symbol table
Abstract syntax-tree