What Is a Communications System in Which Spread-Spectrum Techniques Are

question 17

Multiple Choice

What is a communications system in which spread-spectrum techniques are used to multiplex more than one signal within a single channel?

• A)CDMA
• B)CSMD
• C)CDDA
• D)CMMA

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Definitions:

Agoraphobia

A condition where individuals experience extreme fear of places or situations where escape might be difficult or help might not be available, often leading to avoidance of open or enclosed spaces.

Avoid Being Outside

The preference or tendency to stay indoors, sometimes associated with anxiety disorders such as agoraphobia.

Obsession

Persistent, intrusive thoughts or impulses that cause distress or anxiety, often recognized as unreasonable but difficult to control.

Free-Floating Anxiety

Anxiety that is not focused on or linked to any specific object or situation, often manifesting as a persistent sense of unease.