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    Question

    Which phase of the compiler ensures that identifiers are

    declared before they are used?
    A Lexical Analysis Correct Answer Incorrect Answer
    B Syntax Analysis Correct Answer Incorrect Answer
    C Semantic Analysis Correct Answer Incorrect Answer
    D Intermediate Code Generation Correct Answer Incorrect Answer
    E Code Optimization Correct Answer Incorrect Answer

    Solution

    Semantic analysis verifies type and scope rules, ensuring identifiers are declared.

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