The main difference between CDMA and TDMA is that:

A.
TDMA splits the channel into sequential slices while CDMA uses wide spectrum.

B.
TDMA uses a single tone to generate modulation while CDMA uses multiple channels
modulation.

C.
TDMA only works in GSM systems while CDMA does not support GSM.

D.
TDMA uses carrier sense multiple access while CDMA uses collision detection.

Explanation: