For example, it will have less taps and {TAIL ~ a smaller number} of {HEAD ~ real time} arithmetic operations 
For example , it will have less taps and { TAIL ~ a smaller number } of { HEAD ~ real time } arithmetic operations
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH