The Code for Some Garage Door Openers Consists of 15

question 7

Multiple Choice

The code for some garage door openers consists of 15 electrical switches that can be set to "+" , "0" , or "-" by the owner. With this type of opener, how many different codes are possible?

• A) 14,350,167
• B) 14,347,707
• C) 14,348,907
• D) 14,348,659

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Definitions:

Perceptual Set

A psychological framework that influences how we perceive and interpret sensory information based on our expectations, culture, and past experiences.

Top-Down Processing

The operation in sensation and perception, launched by cognitive processing at the brain’s higher levels, that allows the organism to sense what is happening and to apply that framework to information from the world.

Absolute Threshold

The minimum intensity of stimulation that must occur before you experience a sensation.

Sensory Threshold

The minimum level of stimulus intensity needed for a stimulus to be detected, marking the boundary between the sensory signal's absence and presence.