Programming Language Concepts Quiz

Which type of grammar can describe both syntax and semantics?

• BNF

• Context-free grammar

• Attribute grammar

• Lexical grammar

What is the primary focus of Chapter 3?

• Introduction to Programming

• Describing Syntax and Semantics

• Compiler Design

• Data Structures and Algorithms

Which of the following is NOT a component of a BNF rule?

• Left-hand side (LHS)

• Right-hand side (RHS)

• Start symbol

• static semantic

What does an ambiguous grammar generate?

• Multiple parse trees for the same sentence

• Only one parse tree for each sentence

• No parse trees

• Syntax errors

What is the role of attribute grammars in compiler design?

• Syntax generation

• Static semantics checking

• Dynamic semantics description

• Lexical analysis

What does EBNF stand for?

• Extended Backus-Naur Form

• Enhanced Backus-Naur Form

• Elementary Backus-Naur Form

• Elaborated Backus-Naur Form

Which term refers to the lowest level syntactic unit of a language?

• Token

• Lexeme

• Sentence

• Grammar

Which of the following is a characteristic of static semantics?

• Describes the meaning of program statements

• Checks if variables are declared before use

• Generates sentences of a language

• Analyzes the execution of programs

In BNF, what is a nonterminal symbol?

• A type of lexeme

• A class of syntactic structures

• A token category

• A start symbol

What does syntax refer to in programming languages?

• The meaning of expressions and statements

• The form or structure of expressions, statements, and program units

• The execution of program statements

• The type of data used in a program