Which of the following statements is correct?
a. Parallel transmission is most often used for sending data on a circuit that is made up of one wire.
b. Parallel transmission is distinguished from serial transmission by the fact that the transmitting device sends a single bit, then a second bit, and so on, until all the bits are transmitted.
c. Parallel transmission is only used for analog data.
d. Serial transmission is slower than parallel transmission.
e. Parallel transmission is the same as serial transmission.
Answer: D