COMPILER DESIGN

Detailed explanation-1: -Answer: Correct answer is-(D) Type checking. Explanation: Type checking is an important component of semantic analysis.

Detailed explanation-2: -Explanation: In the semantic analysis, type checking is an important component because it verifies the program’s operations from the semantic conventions.

Detailed explanation-3: -Type checking is the process of verifying that each operation executed in a program respects the type system of the language. This generally means that all operands in any expression are of appropriate types and number. Much of what we do in the semantic analysis phase is type checking.

Detailed explanation-4: -In most languages the semantic analyzer tracks the types of both identifiers and expressions, both to verify consistent usage and to guide the generation of code in later phases.

Detailed explanation-5: -It allows computers to understand and interpret sentences, paragraphs, or whole documents, by analyzing their grammatical structure, and identifying relationships between individual words in a particular context.