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What is the main focus of syntax in a programming language?
What is the main focus of syntax in a programming language?
- The implementation of program units
- The form of expressions (correct)
- The execution of statements
- The meaning of expressions
In the statement 'index = 2 * count + 17;', how many lexemes are present?
In the statement 'index = 2 * count + 17;', how many lexemes are present?
- 5
- 6 (correct)
- 4
- 3
What is the key role of a language recognizer?
What is the key role of a language recognizer?
- Deciding if input strings belong to the language (correct)
- Generating sentences of a language
- Describing the meaning of lexemes
- Defining the syntax of a language
Which class of generative devices describes the forms of tokens in programming languages?
Which class of generative devices describes the forms of tokens in programming languages?
What is the purpose of Backus-Naur Form (BNF) in programming language syntax?
What is the purpose of Backus-Naur Form (BNF) in programming language syntax?
Which term refers to a language used to describe another language?
Which term refers to a language used to describe another language?
In EBNF, what does the '+' symbol indicate when used with an element?
In EBNF, what does the '+' symbol indicate when used with an element?
What feature does '*' represent in EBNF notation?
What feature does '*' represent in EBNF notation?
In EBNF, what does '?' signify when placed after an element?
In EBNF, what does '?' signify when placed after an element?
What aspect of a programming language do attribute grammars primarily focus on?
What aspect of a programming language do attribute grammars primarily focus on?
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