Key word definitions

Several bits of data are sent at one time

Data is sent one bit at a time

Data is sent in only one direction

Date is sent in only one direction

Data is transmitted in both directions (not at the same time)

Several bits of data are sent at once

data is Transmitted in a continuous stream, and is accompanied by timing signals

Data is transmitted in an agreed bit pattern, bits are grouped together and sent with control

Data is transmitted in both directions (not at the same time)

Data is transmitted in both directions simultaneously

Data is sent in only one direction

several bits of data are sent at the same time

data is transmitted in both directions

Data is sent in only one direction

Data is sent one bit at a time

Data is transmitted in an agreed bit pattern, bits are grouped together and sent with control

Data is transmitted in a continuous stream, the data is accompanied by timing signals

Data is transmitted in both directions simultaneously

Data is transmitted in a continuous stream, the data is accompanied by timing signals

Data is not transmitted

Data is transmitted in an agreed bit pattern, bits are grouped together and sent with control