Explore topic-wise MCQs in Compilers.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.

1.

A ________ is a string of characters which form a syntactic unit.

A. Lexeme
B. Lex
C. Lexeme & Lex
D. None of the mentioned
Answer» B. Lex
2.

Which one is a type of Lexeme?

A. Identifiers
B. Constants
C. Keywords
D. All of the mentioned
Answer» E.
3.

Lexical Analysis Identifies Different Lexical Units in a _______

A. Source Code
B. Object Code
C. Lexeme
D. None of the mentioned
Answer» B. Object Code
4.

Input to Lexical Analyser is _________

A. Source Code
B. Object Code
C. Lexeme
D. None of the mentioned
Answer» B. Object Code
5.

Lexical Analyser s Output is given to Syntax Analysis.

A. True
B. False
Answer» B. False
6.

What is another name for Lexical Analyser?

A. Linear Phase
B. Linear Analysis
C. Scanning
D. All of the mentioned
Answer» E.
7.

The context free grammar is ambiguous if ______________

A. The grammar contains non-terminals
B. Produces more than one parse tree
C. Production has two non-terminals side by side
D. None of the mentioned
Answer» C. Production has two non-terminals side by side
8.

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

A. The code generator
B. The code optimizer
C. The lexical analyzer
D. The syntax analyzer
Answer» B. The code optimizer