17. If the number of households watching a program is 100, the number of TV households is 1,000, and the
number of households using TV is 500, the program’s rating is calculated based on:
18. Which of the following would make traditional sweeps periods less meaningful?
19. The TV audience consistently increases throughout the day, until about _______ Eastern Time when it falls
off sharply.
20. Commercial broadcast television was demonstrated to the public for the first time at the 1939 New York
World’s Fair.
21. Unlike radio in prior years, TV developed at a moderate pace and therefore didn’t suffer problems due to a
lack of technical standards.