For cryptography the variables and coefficients are restricted to elements in a __________ field.

Define the terms arguments and parameters. How are they different?

What will be an ideal response?

Given the program, which of the following class member accesses are legal?

``` #include using namespace std; class DayOfYear { public: void input(); void output(); int month; int day; }; int main() { DayOfYear birthDay; birthDay.input(); // a) birthDay.day = 25; // b) cout << birthDay.month; // c) cout << birthDay.output(); // d) if(birthDay.month == 1) // e) cout << "January\n"; } ```