Correct Answer:
A. Code Division Multiple Access
CDMA stands for Code Division Multiple Access. It is a digital cellular communication technology that allows multiple users to share the same frequency band by assigning each user a unique code. CDMA was widely used in 2G and 3G mobile networks.
Why the other options are incorrect:
- Code Data Mobile Access: This is not the correct expansion of the acronym CDMA.
- Communication Division Multiple Access: This is an incorrect expansion and is not recognized in telecommunications.
- Central Digital Mobile Access: This is not a valid expansion of CDMA.
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