Which of the following options is correct about the functions in C language?
AActual parameters are declared in the function definition.
BActual parameters are always variables.
CActual parameters are used to define the function signature and to specify the type and
number of arguments that a function can accept.
DActual parameters are the values that are passed to a function when it is called.
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Correct answer: (D) Actual parameters are the values that are passed to a function when it is called.
Explanation
Actual parameters (arguments) are the values or expressions passed in the function call. The parameters declared in the function definition are formal parameters, and actual arguments need not be variables (constants and expressions work too).