A programmer-defined data type is known as an ADT.

The basic unit of memory in a computer is:

a. hertz b. bytes c. characters d. meters

These days, the biggest threats to IT security are from ________.

A. "geeks" working on their own and motivated by the desire to gain some degree of notoriety B. international drug cartels C. terrorist organizations D. organized groups that have ample resources, including money and sophisticated tools, to support their efforts