What are the classification of the card reader?
and IEEE1394 card reader support interface has not yet popular, the application is not very wide.
USB reader is currently on the market the most popular card reader, PCMICA card reader is the most important application on the laptop,
The first two card readers because the interface is slow or inconvenient to install has been basically eliminated.
Card reader from the interface point of view are: parallel card reader, serial card reader, USB card reader, PCMICA card reader and IEEE1394 card reader.
