The number of bits in a binary PCM system is increased from n to n + 1. As a result, the signal to quantization noise ratio will improve by the

The number of bits in a binary PCM system is increased from n to n + 1

1.	The number of bits in a binary PCM system is increased from n to n + 1. As a result, the signal to quantization noise ratio will improve by the
A.
B.	2
C.	2
D.
E.	which is independent of n
Answer» D.