Technician A says on pulse width modulated (PWM) busses, all bits are the same length. Technician B says on variable pulse width (VPW) designs, one pulse may be long and the next pulse may be short. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Technician A says on  pulse width modulated (PWM) busses, all bits are the same length. Technician B says on variable pulse width (VPW) designs,  one pulse may be long and the next pulse may be short. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Quizplus · Accepted Answer

In PWM systems, all bits are indeed the same length, which is what Technician A states. Technician B is correct in saying that in VPW systems, pulse widths can vary, with some being longer and others shorter, to represent different data values.

Technician a Says on Pulse Width Modulated (PWM) Busses, All Bits