Modern ciphers use binary operations. Which of the following is an example of a binary operator?

________ is the number of items sold or services rendered during normal business hours

A) Sales revenue B) Sales volume C) Net revenue D) Physical volume

Which statement is false?

a. The compiler always creates a default constructor for a class. b. If a class’s constructors all require arguments and a program attempts to call a no-argument constructor to initialize an object of the class, a compilation error occurs. c. A constructor can be called with no arguments only if the class does not have any constructors or if the class has a public no-argument constructor. d. None of the above.