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.

WHICH_ONE_OF_THE_FOLLOWING_IS_A_TOP-DOWN_PARSER??$

A. Recursive Descent parser
B. Operator precedence parser
C. An LR(k) parser
D. An LALR(k) parser
Answer» B. Operator precedence parser
Discussion
2.

Assume_that_the_SLR_parser_for_a_grammar_G_has_n1_states_and_the_LALR_parser_for_G_has_n2_states._Hence_which_one_is_true?$

A. n1 is necessarily less than n2
B. n1 is necessarily equal to n2
C. n1 is necessarily greater than n2
D. None of the mentioned
Answer» C. n1 is necessarily greater than n2
Discussion
3.

Which of the following symbols table implementation is based on the property of locality of reference?

A. Hash Table
B. Search tree
C. Self organizing list
D. Linear list
Answer» D. Linear list
Discussion
4.

_____________ is a graph representation of a derivation

A. The parse tree
B. Oct tree
C. Binary tree
D. None of the mentioned
Answer» B. Oct tree
Discussion
5.

The output of a lexical analyzer is

A. Machine code
B. Intermediate code
C. A stream of tokens
D. A parse tree
Answer» D. A parse tree
Discussion
6.

In a bottom up evaluation of a syntax direction definition ,inherited attributes can

A. Always be evaluated
B. Be evaluated only if the definition is L –attributed
C. Evaluation only done if the definition has synthesized attributes
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
7.

A synthesized attribute is an attribute whose value at a parse tree node depends on

A. Attributes at the siblings only
B. Attributes at parent node only
C. Attributes at children nodes only
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
8.

Input to code generator

A. Source code
B. Intermediate code
C. Target code
D. All of the mentioned
Answer» C. Target code
Discussion