A Field of Data That Can Be Used to Located

question 27

Multiple Choice

A field of data that can be used to located a related field or row of data is called a(n) :

• A) pointer.
• B) key.
• C) entity.
• D) attribute.
• E) index.

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Definitions:

Rhodopsin

A light-sensitive pigment found in the rods of the retina, critical for vision in low-light conditions.

Color Vision

The ability of the eye and brain to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.

Light Energy

The form of energy that is visible to the human eye and is responsible for the sense of sight.

Brightness

A visual perception describing how luminous or vivid a light source or color appears to be.