The major development in 2-G cell phone systems compared to 1-G cell phone systems was the _____.
A)use of digital signals instead of analog signals
B)use of CDMA instead of FDM
C)ability to offer very high data rates
D)use of CDMA instead of TDM

Question

Quizplus · Accepted Answer

The major development in 2-G cell phone systems compared to 1-G cell phone systems was the use of digital signals instead of analog signals. This allowed for more efficient use of the available frequency spectrum and allowed for the introduction of new features such as text messaging and mobile data services. The use of CDMA and TDM were also introduced in 2-G systems, but these were not the major development.

The Major Development in 2-G Cell Phone Systems Compared to 1-G