Q3. The syntax analyzer portion (or parsers) of a language processor nearly alwa

Question

Q3. The syntax analyzer portion (or parsers) of a language processor nearly always consists of two parts: (a) A low-level part called a lexical analyzer and a high-level part called a syntax analyzer, or parser. (b) A low-level part called a syntax analyzer, or parser and a high-level part called a lexical analyzer (c) A low-level part called a lexical analyzer that is used for large-scale constructs, such as expressions, statements, and program units and A low-level part called a lexical analyzer that is used for small-scale language constructs, such as names and numeric literals. (d) None Q4: What are the three reasons to Separate Lexical and Syntax Analysis? Reason Explanation Q5: Which of the following is NOT correct about lexical analyzer? (a) A lexical analyzer is a pattern matcher for character strings (b) A lexical analyzer is a "front-end" for the parser (c) Identifies substrings of the source program that belong together (d) An important high-level part of the parser of a language processor

Explanation / Answer

Q3. a. (Here lexical analyzer converts an expression into tokens which is then processed by parser to detect any errors and then to generate parse tree)

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