Discuss the advantages and disadvantages of using a USB or parallel port dongle for licensing purposes.

The advantage of the USB is that is free. The advantage of the Parallel Port Dongle is that it works on all operating systems, and it has a faster data transfer than USB. The disadvantage of a USB is that you can't print from true DOS. A disadvantage of the parallel port dongle is that license dongles are easily lost and are prone to damage.

An advantage is portability A disavantage is loseability An advantage is faster read and write speeds (most of the time) a disavantge is less storage