Q. Which of these is correct about passing an argument by call-by-value process?
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(A)
Copy of argument is made into the formal parameter of the subroutine.
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(B)
Reference to original argument is passed to formal parameter of the subroutine.
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(C)
Copy of argument is made into the formal parameter of the subroutine and changes made on parameters of subroutine have effect on original argument.
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(D)
Reference to original argument is passed to formal parameter of the subroutine and changes made on parameters of subroutine have effect on original argument.
✅ Correct Answer: (A)
Copy of argument is made into the formal parameter of the subroutine.