 
			 
			MCQOPTIONS
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				| 1. | When we use TDMA instead of TDM? | 
| A. | when signals come from different sources | 
| B. | when all the signals come from same source | 
| C. | when all the signals contain the same information | 
| D. | when all the signals contain different information | 
| Answer» B. when all the signals come from same source | |