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Questions and Answers
What are the abstractions in a BNF description called?
What are the abstractions in a BNF description called?
- Start symbols
- Nonterminal symbols (correct)
- Recursive rules
- Terminal symbols
In the context of formal syntax description, what does RHS stand for?
In the context of formal syntax description, what does RHS stand for?
- Rule Handling System
- Recursive Hand Side
- Right-hand side (correct)
- Recursion Handling System
What is recursion used for in the context of programming languages?
What is recursion used for in the context of programming languages?
- To define lexemes
- To handle terminal symbols
- To determine the start symbol
- To describe list of syntactic elements (correct)
What is a rule considered if its LHS appears in its RHS?
What is a rule considered if its LHS appears in its RHS?
What is the sequence of rule applications called in the generation of sentences in a language?
What is the sequence of rule applications called in the generation of sentences in a language?
What is each string in the derivation process called?
What is each string in the derivation process called?
What is the primary purpose of a language recognizer?
What is the primary purpose of a language recognizer?
In the context provided, what are lexemes?
In the context provided, what are lexemes?
What is the main function of a language generator?
What is the main function of a language generator?
Which formal method is used to describe the syntax of programming languages?
Which formal method is used to describe the syntax of programming languages?
What is the role of a metalanguage in the context of describing syntax?
What is the role of a metalanguage in the context of describing syntax?
Which type of grammar class describes the forms of tokens in programming languages?
Which type of grammar class describes the forms of tokens in programming languages?
What is the purpose of a parse tree in formal methods of describing syntax?
What is the purpose of a parse tree in formal methods of describing syntax?
In the context of language recognition, what is the significance of left recursion in a grammar rule?
In the context of language recognition, what is the significance of left recursion in a grammar rule?
How does right recursion help in indicating right associativity in formal syntax description?
How does right recursion help in indicating right associativity in formal syntax description?
What is an advantage of Extended Backus-Naur Form (EBNF) over traditional BNF?
What is an advantage of Extended Backus-Naur Form (EBNF) over traditional BNF?
Why is specifying associativity important in defining operator behaviors in formal methods of describing syntax?
Why is specifying associativity important in defining operator behaviors in formal methods of describing syntax?
What happens when an expression contains operators of equal precedence in formal syntax description?
What happens when an expression contains operators of equal precedence in formal syntax description?
