Question

30. Serial port transfers data serially _____ bit at a time.
(A) 16
(B) 8
(C) 2
(D) 1

Answer 1

Answer:

16 bit at a time these is the answer

Answer 2

Serial port transfers data serially 1 bit at a time.

Answer: Option D

Explanation:

Serial port is defined to be the interface of communication serially, where the information transfers ‘one bit at a time’. The working is opposite to parallel port. Most of the time period, the information or data was transferred in a serial communication way such as through modems, peripherals, and terminals.  

This serial port is also termed as hardware compliance. Some of the examples are FireWire, Ethernet, USB, etc. They will send data as a serial stream. Those mentioned hardware devices should be in compliant with RS-232.