A Program That Accepts a List of Keywords and Returns

question 30

Multiple Choice

A program that accepts a list of keywords and returns documents most closely matching them is called an)

• A) folder.
• B) object-oriented database.
• C) relational database.
• D) search engine.
• E) Web browser.

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Definitions:

Classical Conditioning

a learning process that occurs when two stimuli are repeatedly paired; a response that is initially elicited by the second stimulus is eventually elicited by the first stimulus alone.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

CS (Conditioned Stimulus)

An initially neutral stimulus that, after being associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.

UCS (Unconditioned Stimulus)

An unconditioned stimulus is something that naturally and automatically triggers a response without any learning needed (e.g., food causing salivation in dogs).