During Ad Breaks in TV Programs, Some Viewers Change Channels

question 69

Multiple Choice

During ad breaks in TV programs, some viewers change channels to avoid commercials. This practice is known as:

• A)multiplexing.
• B)zapping.
• C)narrowcasting.
• D)time shifting.
• E)zipping.

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Definitions:

Electromagnetic Energy

The energy propagated through space or matter as electromagnetic waves or photons, involved in phenomena such as light, radio waves, and X-rays.

Mechanical Energy

The sum of potential and kinetic energy in a physical system, which enables it to do work.

Chemical Energy

A form of potential energy stored in chemical bonds between atoms and molecules.

Just Noticeable Difference (JND)

The smallest difference in stimulation that a person can detect 50% of the time; a measure of sensory sensitivity.