engineering computer science MCQ #2160

The `extern` keyword is used to

engineering computer science MCQ #2160

  1. Question 1

    Q1. The `extern` keyword is used to

    • A) declare a global variable
    • B) declare a function
    • C) define a macro
    • D) allocate memory dynamically

    Answer: declare a global variable

    Explanation: extern is used to declare global variables that are defined elsewhere. NET computer science MCQs often test this core concept.