What is a USB flash drive? What book reader? I believe that many users are still stupid in these two terms, so how to distinguish between U disk and card reader? What is the difference between a card reader and a USB flash drive? Then let Xiaobian tell you how to distinguish them.

       Simply speaking, the difference between a card reader and a USB flash drive is that the USB flash drive is a card reader with a memory card inserted, but the USB flash drive is directly soldered on the PCB, and the better brand makes the good USB flash drive. The reading speed is guaranteed, and the card reader plus the memory card can be used as a USB flash drive.

       U disk, full name USB flash drive, the English name "USB flash disk". It is a miniature high-capacity mobile storage product that uses a USB interface and does not require a physical drive. It is connected to a computer via a USB interface for plug and play. The name of the U disk was originally derived from a new type of storage device produced by Netac Technology, named "USB", which is connected using a USB interface. After the USB flash drive is connected to the USB interface of the computer, the data of the USB flash drive can be exchanged with the computer. The equipment of similar technology produced later, because Netac has patent registration, can no longer be called "USB", but renamed the "U disk". Later, the name U disk was widely known for its simple and easy to remember, and it is one of the mobile storage devices.

       The Reader is a specialized device. There are slots for memory cards and ports for computers. After inserting the appropriate memory card into the slot, connecting the port to the computer and installing the required driver, the computer treats the memory card as a removable memory so that the memory card can be read and written by the card reader. According to the type of compatible memory card, it can be divided into CF card reader, SM card reader, PCMICA card reader and memory stick reader, etc., and double slot reader can use two or two at the same time. More than one type of card; can be divided into serial port readers according to port type (very slow, very rare), parallel port reader (suitable for early motherboard computers), USB card reader (fast, Easy to use).

       After detailed introduction of the above series, do you have a better understanding of the difference between the card reader and the U disk, in fact, as long as the card reader is loaded with a memory card, it is also a U disk, is it amazing? What?

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