In asynchronous serial communication the physical layer provides
A)start and stop signaling
B)flow control
C)both (a) and (b)
D)none of the mentioned

Question

Quizplus · Accepted Answer

In asynchronous serial communication, the physical layer is responsible for start and stop signaling to delineate the beginning and end of each byte or character. It also can handle flow control to manage the rate of data transmission between devices, although flow control can also be managed at higher layers.

In Asynchronous Serial Communication the Physical Layer Provides