Which form of media has entrenched itself as a dominant communication medium since its emergence in the early twentieth century?

Blessy is asked to give a speech to a group of youngsters in college on how to handle emotions. She prepares herself well. During the speech she feels that no one is paying attention to what she is saying. Blessy has lost the crowd

Which type of noise does this scenario portray? a) Psychologica b) Physical c) Inflection d) Physiological

Cable TV franchising is a procedure much different than broadcast station licensing. How so?

What will be an ideal response?