Reader As the name suggests This is a device to read data, but it can not only support the data read the same support for data write.
As the early USB interface is not universal, so the digital camera output is connected with the computer's serial port, because the serial data transmission speed is very low, if the data copied to the hard disk, it would take a lot of waiting time
Its initial design ideas are mainly to make up for the digital camera data output defects arising.
Raise the card reader, many people will immediately think of this product is produced with a digital camera, but now no longer limited to the use of digital cameras, but extended to more areas.
