Rightmost Derivation and Parse Trees Quiz
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Questions and Answers

What is the term used to describe the abstraction being defined in a grammar?

  • Nonterminal symbols (correct)
  • Terminal symbols
  • Recursive symbols
  • Lexemes

In a recursive rule, where does the Left-hand side (LHS) appear?

  • Only on the LHS
  • Both on LHS and RHS (correct)
  • On neither LHS nor RHS
  • Only on the right-hand side (RHS)

What initiates the generation of sentences in a grammar?

  • Nonterminal symbols
  • Lexemes
  • Terminal symbols
  • Start symbol (correct)

What is a sentential form?

<p>The result of a single rule application (B)</p> Signup and view all the answers

Which derivation ensures that the replaced nonterminal is always the leftmost nonterminal in the sentential form?

<p>Leftmost derivation (A)</p> Signup and view all the answers

What are the abstractions called in a BNF description or grammar?

<p>Nonterminals (C)</p> Signup and view all the answers

Which term refers to the rules' lexemes and tokens in a grammar?

<p>Terminal symbols (C)</p> Signup and view all the answers

What describes a rule as recursive in terms of its Left-hand side (LHS)?

<p>&quot;LHS&quot; appearing in its own right-hand side (RHS) (D)</p> Signup and view all the answers

What type of symbol is used to describe the lexemes and tokens in a rule?

<p>Terminal symbols (D)</p> Signup and view all the answers

Which type of derivation ensures that the replaced nonterminal is always the rightmost nonterminal in the sentential form?

<p>Rightmost derivation (D)</p> Signup and view all the answers
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