Consider the following statements comparing delta modulation (DM) with PCM system:DM requires1. A lower sampling rate2. A higher sampling rate3. A lower bandwidth4. Simple hardwareWhich one of the above statements are correct?

Consider the following statements comparing delta modulation (DM) with

1.	Consider the following statements comparing delta modulation (DM) with PCM system:DM requires1. A lower sampling rate2. A higher sampling rate3. A lower bandwidth4. Simple hardwareWhich one of the above statements are correct?
A.	1 and 3 only
B.	2 and 4 only
C.	1, 3 and 4
D.	2, 3 and 4
Answer» E.