Welcome to the Phases of Compiler MCQs Page

Dive deep into the fascinating world of Phases of Compiler with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Phases of Compiler, a crucial aspect of Systems Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Phases of Compiler, 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 Phases of Compiler. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Systems Programming.

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Phases of Compiler MCQs | Page 4 of 11

Explore more Topics under Systems Programming

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System Programming Basics

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Compilers

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Interpreters

Q31.

The lexical analyzer takes_________as input and produces a stream of_______as output.

Source program, tokens

Token, source program

Either of the two

None of the mentioned

Discuss

Answer: (a).Source program, tokens

Q32.

Parsing is also known as

Lexical Analysis

Syntax Analysis

Semantic Analysis

Code Generation

Discuss

Answer: (b).Syntax Analysis

Q33.

__________ a part of a compiler that takes as input a stream of characters and produces as output a stream of words along with their associated syntactic categories.

Parser

Optimizer

Scanner

None of the mentioned

Discuss

Answer: (c).Scanner

Q34.

_________an IR-to-IR transformer that tries to improve the IR program in some way.

Optimizer

Parser

Both of the mentioned

None of the mentioned

Discuss

Answer: (a).Optimizer

Q35.

_________a phase of a compiler that maps the IR program into the instruction set and the finite resources of the target machine.

Optimizer

Parser

None of the mentioned

Both of the mentioned

Discuss

Answer: (c).None of the mentioned

Q36.

In a compiler the module that checks every character of the source text is called

The code generator

The code optimizer

The lexical analyzer

The syntax analyzer

Discuss

Answer: (a).The code generator

Q37.

The context free grammar is ambiguous if

The grammar contains non-terminals

Produces more than one parse tree

Production has two non-terminals side by side

None of the mentioned

Discuss

Answer: (b).Produces more than one parse tree

Q38.

Another Name for Lexical Analyser

Linear Phase

Linear Analysis

Scanning

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q39.

An individual token is called ________.

Lexeme

Lex

Both of the mentioned

None of the mentioned

Discuss

Answer: (a).Lexeme

Q40.

Which phase of the compiler is Lexical Analyser?

First

Second

Third

None of the mentioned

Discuss

Answer: (a).First

Page 4 of 11

Welcome to the Phases of Compiler MCQs Page

Phases of Compiler MCQs | Page 4 of 11

Explore more Topics under Systems Programming

System Programming Basics

Machine Structure

Machine and Assembly Language

Assemblers

Macro Processor

Loaders

Programming Languages

Compilers

Interpreters

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