You Can Perform All of the Following Actions with Variables

question 30

Multiple Choice

You can perform all of the following actions with variables except:

• A) Copy and store values entered by the user, so they may be manipulated
• B) Assign a variable's value to a constant
• C) Perform arithmetic on values
• D) Remember information for later use in the program

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Definitions:

Lens

A piece of glass or other transparent material with curved sides for concentrating or dispersing light rays, used in glasses or cameras to aid in focus.

Doctrine of Specific Nerve Energies

The principle that the nature of a perception is defined by the pathway over which sensory information is carried, rather than by the form of the stimulus itself.

Hering's Theory

A theory in color vision proposing that the visual system interprets color in terms of opposing pairs: blue-yellow, red-green, and black-white.

Volley Principle

A theory explaining how auditory nerve cells collectively respond to sounds of high frequency by firing in rapid succession, allowing for the perception of pitch in the auditory system.