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Welcome to the Compiler Design MCQs Page

Dive deep into the fascinating world of Compiler Design with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Compiler Design, a crucial aspect of GATE CSE Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Compiler Design, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within GATE CSE Exam.

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Check out the MCQs below to embark on an enriching journey through Compiler Design. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of GATE CSE Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Compiler Design. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Compiler Design MCQs | Page 8 of 12

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Q71.
Where does the compiler keep track of all the scope and binding information about identifiers??

a.

Stack

b.

Heap

c.

Symbol table

d.

None of these

Discuss
Answer: (c).Symbol table
Q72.
In linear list data structure of symbol table the search for a name proceeds

a.

Forwards from the beginning of the array to end

b.

Backwards from the end of the array to the beginning

c.

Arbitrary from any direction

d.

None of these

Discuss
Answer: (b).Backwards from the end of the array to the beginning
Q73.
What technique is used for parameter passing in case of in-line expansion?

a.

Call-by value

b.

Call-by reference

c.

Call-by address

d.

Call-by name

Discuss
Answer: (d).Call-by name
Q74.
Access time is minimum for accessing the symbol table which uses?

a.

Hash table

b.

Search tree

c.

Self-organizing list

d.

Linear

Discuss
Answer: (a).Hash table
Q75.
Which of the following technique can be used as intermediate code generation?

a.

Postfix notation and three address codes

b.

Quadruples

c.

Both a and b

d.

None of these

Discuss
Answer: (a).Postfix notation and three address codes
Q76.
Inputs to the code generator phase of compiler design are?

a.

Code optimizer and symbol table

b.

Intermediate code and optimized code

c.

Intermediate code representation and symbol table

d.

None of these

Discuss
Answer: (c).Intermediate code representation and symbol table
Q77.
The output of the code generator is a target program that includes?

a.

Absolute machine language

b.

Re locatable machine language

c.

Machine language

d.

All of these

Discuss
Answer: (d).All of these
Q78.
Replacement of an expensive operation by a cheaper one is termed as?

a.

Reduction in strength

b.

Code motion

c.

Loop invariant computation

d.

None of these

Discuss
Answer: (a).Reduction in strength
Q79.
A basic block can be analyzed by?

a.

Flowgraph

b.

A graph with cycles

c.

DAG

d.

None of these

Discuss
Answer: (c).DAG
Q80.
What is the formal name of the method that performs optimizing loop execution speed, usually at the cost of code size?

a.

Loop unwinding

b.

Strength reduction

c.

Reverse polish notation

d.

None of these

Discuss
Answer: (b).Strength reduction
Page 8 of 12

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