Welcome to the Compilers MCQs Page

Dive deep into the fascinating world of Compilers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Compilers, a crucial aspect of Systems Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Compilers, 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 Systems Programming.

Check out the MCQs below to embark on an enriching journey through Compilers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Systems Programming.

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

Compilers MCQs | Page 3 of 9

Explore more Topics under Systems Programming

01

System Programming Basics

02

Machine Structure

03

Machine and Assembly Language

04

Assemblers

05

Macro Processor

06

Loaders

07

Programming Languages

08

Phases of Compiler

09

Interpreters

Q21.

The ultimate goal of a compiler is to,

Reduce the clock cycles for a programming task.

Reduce the size of the object code.

Be versatile.

Be able to detect even the smallest of errors.

Discuss

Answer: (a).Reduce the clock cycles for a programming task.

Q22.

Which method is used for resolving data dependency conflict by the compiler itself?

Delayed load

operand forwarding

Pre fetch target instruction

loop buffer

Discuss

Answer: (a).Delayed load

Q23.

Inherited attribute is a natural choice in

Keeping track of variable declaration

Checking for the correct use of L values and R values

Both a and b

None of these

Discuss

Answer: (a).Keeping track of variable declaration

Q24.

A grammar that produces more than one parse tree for some sentence is called

Ambiguous

Unambiguous

Regular

None of these

Discuss

Answer: (a).Ambiguous

Q25.

Pee hole optimization

Loop optimization

Local optimization

Constant folding

Data flow analysis

Discuss

Answer: (c).Constant folding

Q26.

The optimization which avoids test at every iteration is

Loop unrolling

Loop jamming

Constant folding

None of these

Discuss

Answer: (a).Loop unrolling

Q27.

Advantage of panic mode of error recovery is that

It is simple ti implement

It never gets into an infinite loop

Both a and b

None of these

Discuss

Answer: (d).None of these

Q28.

Which of the following is used for grouping of characters into tokens (in a computer)

A parser

Code optimizer

Code generator

Scanner

Discuss

Answer: (d).Scanner

Q29.

A compiler for a high-level language that runs on one machine and produces code for a different machine is called

Optimizing compiler

One pass compiler

Cross compiler

Multipass compiler

Discuss

Answer: (c).Cross compiler

Q30.

Cross-compiler is a compiler

Which is written in a different language from the source language

That generates object code for the machine it’s running on

Which is written in the same language as the source language

That runs on one machine but produces object code for another machine

Discuss

Answer: (d).That runs on one machine but produces object code for another machine

Page 3 of 9

Welcome to the Compilers MCQs Page

Compilers MCQs | Page 3 of 9

Explore more Topics under Systems Programming

System Programming Basics

Machine Structure

Machine and Assembly Language

Assemblers

Macro Processor

Loaders

Programming Languages

Phases of Compiler

Interpreters

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