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What are USB connectors?

Universal Serial Bus (USB) was developed in the 1990s in an effort to lớn simplify the connections between computers và peripheral devices. It has become widely popular due khổng lồ its compatibility with many platforms and operating systems, its low cost of implementation, và its ease of use. Most computers that are built today come with several USB ports, and USB is the interface of choice for most home and office peripherals including printers, cameras, modems, & portable storage devices. 

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Found on host controllers in computers and hubs, the A-style connector is a flat, rectangular interface. This interface holds the connection in place by friction which makes it very easy for users to connect and disconnect. Instead of round pins, the connector uses flat contacts which can withstand continuous attachment và removal very well. The A-socket connector provides a "downstream" connection that is intended for use solely on host controllers & hubs. It was not intended for use as an "upstream" connector on a peripheral device. This is critical because a host controller or hub is designed lớn provide 5V DC power on one of the USB pins. Though not that common, A-A cables are used lớn connect USB devices with an A-style Female port lớn a PC or another USB device, và for data transfer between two computer systems. Note: Typically an A-A cable is not intended lớn connect two computers together or to lớn connect a USB hub between two computers. Doing so may cause irreparable damage to your computers and may even present a fire hazard. Kiểm tra with the manufacturer before using an A-A cable for data transfer.