proglang

Front

What does "associativity" of operators determine?

Back

The order in which operators are evaluated when they have the same precedence.

Front

What is the output of a syntax analyzer?

Back

A parse tree or Abstract Syntax Tree (AST).

Front

What is "derivation" in the context of syntax analysis?

Back

The process of applying grammar rules to produce a sequence of tokens.

Front

Which of the following is considered a "non-token"? Identifiers, Operators, Keywords, Comments.

Back

Comments.

Front

What grammar is used for syntax analysis?

Back

Context-free grammar (CFG).

Front

What does "precedence" of operators determine?

Back

The order in which operators are evaluated when they have different precedence.

Front

What is the difference between left-most and right-most derivation?

Back

Left-most derivation processes non-terminals from left to right, and right-most from right to left.

Front

What is the purpose of a parse tree?

Back

To represent the hierarchical structure of the program based on grammar rules.

Front

In a parse tree, what do leaf nodes represent?

Back

Terminals.

Front

Which of the following is NOT a typical task of a lexical analyzer? Input Preprocessing, Tokenization, Token Classification.

Back

Semantic analysis.