Users with a Sound Card, Speakers, and a Microphone Connected

question 109

Multiple Choice

Users with a sound card, speakers, and a microphone connected to their computers can participate in a ____, in which participants speak to each other in real time, much like they would using a telephone.

• A) text chat
• B) text blast
• C) voice chat
• D) podcast

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Definitions:

Absolute Threshold

The minimum intensity of a stimulus that can be detected by a person's senses at least 50% of the time.

Difference Threshold

The smallest amount by which a stimulus can be changed and the difference be detected half the time, also known as the just noticeable difference.

Weber's Law

A principle stating that the smallest noticeable difference in stimulus intensity is proportional to the intensity of the initial stimulus.

Chronic Obstructive Pulmonary Disease (COPD)

A group of lung diseases characterized by increasing breathlessness, frequent coughing, and sputum production.