In a full-step sequence involving two flip-flops driving four coils of a stepper motor, how far will the stepper motor step?

In a full-step sequence involving two flip-flops driving four coils of

1.	In a full-step sequence involving two flip-flops driving four coils of a stepper motor, how far will the stepper motor step?
A.	90
B.	45
C.	30
D.	15
Answer» E.