Open systems continually take in new information, transform that information, and give information back to the environment

Personal computers began influencing communication among the mainstream population of the United States in which decade?

A. 1960s B. 1980s C. 21st century D. 1950s

A speaker can anticipate her audience's expectations by gathering details specific to the speech situation including asking the following questions:

a. ? What do they know about your topic? b. ? What do they think about you? c. ? What is the history of the group? d. ? What is the program surrounding your speech? e. ? All of the above