Explore topic-wise MCQs in Compilers.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_LEXICAL_ANALYSER_CAN_HANDLE_UNICODE?$

A. Java CC
B. JFLex
C. Quex
D. All of the mentioned
Answer» E.
Discussion
2.

The output of a lexical analyzer is$

A. Machine Code
B. Intermediate Code
C. Stream of Token
D. Parse Tree
Answer» D. Parse Tree
Discussion
3.

Which one is a lexer Generato?

A. ANTLR
B. DRASTAR
C. FLEX
D. All of the mentioned
Answer» E.
Discussion
4.

Lexers are often generated by a lexer generator, same as parser generators,

A. True
B. False
Answer» B. False
Discussion
5.

What goes over the characters of the lexeme to produce a value?

A. Scanner
B. Parser
C. Evaluator
D. Lexical generator
Answer» B. Parser
Discussion
6.

It has encoded within it information on the possible sequences of characters that can be contained within any of the tokens it handles .Above motioned function is performed by?

A. Scanner
B. Parser
C. Syntactic Analyser
D. All of the mentioned
Answer» B. Parser
Discussion
7.

Two Important lexical categories are

A. White Space
B. Comments
C. None of the mentioned
D. White Space & Comments
Answer» E.
Discussion
8.

Which grammar defines Lexical Syntax

A. Regular Grammar
B. Syntactic Grammar
C. Context free Grammar
D. Lexical Grammar
Answer» E.
Discussion
9.

When expression sum=3+2 is tokenized then what is the token category of 3

A. Identifier
B. Assignment operator
C. Integer Literal
D. Addition Operator
Answer» D. Addition Operator
Discussion
10.

The process of forming tokens from an input stream of characters is called_____

A. Liberalisation
B. Characterisation
C. Tokenization
D. None of the mentioned
Answer» D. None of the mentioned
Discussion