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Q. Which of the following is true of external variables?

  • (A) they provide a way for two way communication between functions
  • (B) their scope extends from the point of definition through the remainder of the program
  • (C) if they are not initialized, they will be initilised to zero
  • (D) All of the above
  • Correct Answer - Option(D)
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  • Filed under category C Programming
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