Configurability, direct use of interrupts, I/O device flexibility, and real-time operation are some of the unique characteristics and design requirements for __________ .

private fields of a superclass can be accessed in a subclass

a. by calling private methods declared in the superclass. b. by calling public or protected methods declared in the superclass. c. directly. d. All of the above.

A mandatory IS project is something that is needed to meet the requirements of a(n) _____ agency.

Fill in the blank(s) with the appropriate word(s).