What is the process, or result of the process, of modifying (varying) one or more characteristics of a carrier signal in accordance with an instantaneous characteristic of an information signal?

An event such as the While a key is pressed event is also referred to as a(n) ___________________ event because of the three slots that are available for the three different aspects of the event.

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

To create a map with int key type and string value, use _______.

a. map map1 b. map map1 c. map map1 d. map map1