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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 9 of 12

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Q81.
Multiplication of a positive integer by a power of two can be replaced by left shift, which executes faster on most machines, this is an example of?

a.

Strength Reduction

b.

Peephole optimization

c.

Loop unwinding

d.

None of these

Discuss
Answer: (a).Strength Reduction
Q82.
The transfer vector is associated with?

a.

Absolute loaders

b.

Relocation loaders

c.

Compiler and go loaders

d.

None of these

Discuss
Answer: (a).Absolute loaders
Q83.
Which technique generates more optimal codes?

a.

Starting from a linear sequence of three address statement

b.

From rearrange of the dag

c.

Starting from quadruples

d.

None of these

Discuss
Answer: (b).From rearrange of the dag
Q84.
Code generation can be done by?

a.

DAG tree

b.

Labeled tree

c.

Both a and b

d.

None of these

Discuss
Answer: (c).Both a and b
Q85.
An optimizing Compiler?

a.

Is optimized to occupy less space

b.

Optimizes the code

c.

Is optimized to take less time for execution

d.

None of these

Discuss
Answer: (b).Optimizes the code
Q86.
Local and loop optimization in turn provides motivation for?

a.

Data flow Analysis

b.

Peephole optimization

c.

DRA and constant folding

d.

Constant folding

Discuss
Answer: (a).Data flow Analysis
Q87.
Live variable analysis is used as a technique for

a.

Code generation

b.

Type checking

c.

Parsing

d.

Code optimization

Discuss
Answer: (d).Code optimization
Q88.
Which of the following is true regarding the above translation expression?

a.

Action translating expression represents infix notation

b.

Action translating expression represents prefix notation

c.

Both a and b

d.

None of these

Discuss
Answer: (d).None of these
Q89.
Consider the following statements:

S1: An ambiguous grammar can be LL(1)
S2: An left recursive grammar can’t be LL(1)

Which of the following is true??

a.

S1 is true but S2 is false

b.

S2 is true but S1 is false

c.

Both statements are true

d.

Both statements are false

Discuss
Answer: (b).S2 is true but S1 is false
Q90.
The grammar is not SLR (1) because it is having?

a.

Shift reduce conflict

b.

Reduce-Reduce conflict

c.

Both a and b

d.

None of these

Discuss
Answer: (a).Shift reduce conflict
Page 9 of 12

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