What is the working principle of the card reader?
Now, some memory cards have integrated card reader function, the user simply plug the memory card into the USB port, the computer can access the data in real time on the memory card.
When the memory card with the past when the card reader, can be used as a general flash disk to use. In addition, some printers also integrate the card reader. Users can easily use the printer to print out photos.
Card readers are usually connected with USB, you can access a variety of formats of memory cards, such as CompactFlash and Secure Digital.
The commercial version of the card reader can read the security smart card.
Card-reader (Card-reader) is used in the computer, the multimedia card as a mobile storage device to read and write interface device.
