Explore topic-wise MCQs in Compilers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Compilers knowledge and support exam preparation. Choose a topic below to get started.

1.

COMPILER is used to?

A. convert low level into high level language
B. convert high level into low level language
C. translate assembly language into machine language
D. none of these
Answer» C. translate assembly language into machine language
Discussion
2.

Consider the following grammar (that admits a series of declarations, followed by expressions) and the associated syntax directed translation (SDT) actions, given as pseudo-code:P → D* E*D → int ID {record that ID.lexeme is of type int}D → bool ID { record that ID.lexeme is of type bool}E → E1 + E2 {check that E1.type = E2.type = int; set E.type := int}E → !E1 {check that E1.type = bool; set E.type := bool}E → ID {set E.type := int}With respect to the above grammar; which one of the following choices is correct?

A. The actions will lead to infinite loop.
B. The actions can be used to correctly type-check any syntactically correct program.
C. The actions can be used to type-check syntactically correct boolean variable declarations and boolean expressions.
D. The actions can be used to type-check syntactically correct integer variable declarations and integer expressions.
Answer» E.
Discussion
3.

_____ is done by attaching rules or algorithms or program fragments to productions in a grammar.

A. Syntax-directed translation
B. Lexical analysis
C. Execution
D. Loading
Answer» B. Lexical analysis
Discussion