![]() What's more, the function of card reader with SD card inserted is basically the same with that of USB flash drive.įor a computer, the card reader is similar to a USB floppy drive the tiny difference lies in - what the card reader reads is a variety of flash memory cards while USB floppy drive only reads floppy disk. Some of the card readers are even close to that of common USB flash drives. ![]() Usually, an SD card reader is not very heavy and the size of it is small. Besides, it supports reading & writing data and allows the access to SD card files.Īctually, a card reader is specially designed to share information on SD card conveniently. It's an external device with corresponding SD card slot and USB interface. Well, SD card reader is a kind of device used specially for reading SD card. ![]() ![]() It is now widely used in digital camera, DV, MP4, MP3, PDA and smart phone. And it is favored and used by a lot of people due to its excellent characteristics of small size, fast data transfer and hot swap.Īt present, SD card is the most common memory card on the market. As a new type of storage device based on semiconductor flash memory, SD (Secure Digital) memory card is produced to increase the capacity of digital devices.
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