In ___________ there is always a transition at the middle of the bit, but the bit values are determined at the beginning of the bit. If the next bit is 0, there is a transition; if the next bit is 1, there is none.

In ___________ there is always a transition at the middle of the bit,

1.	In ___________ there is always a transition at the middle of the bit, but the bit values are determined at the beginning of the bit. If the next bit is 0, there is a transition; if the next bit is 1, there is none.
A.	Manchester
B.	differential Manchester
C.	both (a) and (b)
D.	neither (a) nor (b)
Answer» C. both (a) and (b)