What does usb mean

USB is defined as an acronym that stands for Universal Serial Bus which is a type of computer port which can be used to connect equipment to a computer. A serial bus with a data transfer rate of 12 Mbps for connecting a microcomputer to peripherals such as keyboards, mice, printers, and digital cameras through a single, general purpose port. A serial bus standard used for transferring data to and from digital devices.

Origin of usb. U niversal S erial B us. Many portable devices, like smartphones , eBook readers, and small tablets, use USB primarily for charging. USB charging has become so common that it's now easy to find replacement electrical outlets at home improvement stores with USB ports built it, negating the need for a USB power adapter. The parts of a USB-connected system, including the host like a computer , the cable, and the device, can all support different USB standards so long as they are physically compatible.

However, all parts must support the same standard if you want it to achieve the maximum data rate possible. A number of different USB connectors exist, all of which we describe below.

The male connector on the cable or flash drive is typically called the plug. The female connector on the device, computer, or extension cable is typically called the receptacle. These "A" plugs fit in "AB" receptacles. If you see a number like 2. Flash drives that support USB 3. The USB standard is faster and consumes less power, making it much more efficient. Actively scan device characteristics for identification.

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