Is this a “dead” system? Explain your answer.

Which method of transmission divides the stream of information into small bits and maps them to a spreading code?

a. Direct-sequence spread spectrum b. Frequency-hopping spread spectrum c. Carrier sense multiple access with collision detection d. Carrier sense multiple access with collision avoidance

The idea of creating a method to perform some complex behavior, in order to isolate the details of how that behavior works, is known as ____.

A. iteration B. orientation C. abstraction D. permutation