Usb &Amp; Otg Giá Cực Tốt
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USB, in full universal serial bus, technology used to lớn connect computers with peripheral devices.
First introduced in 1996, the USB standard was developed by a number of American companies, including IBM, hãng intel Corporation, and Microsoft Corporation, as a simpler way of connecting hardware to lớn personal computers (PCs). Before USB giải pháp công nghệ a PC typically would have one or two serial ports, a parallel port, mouse and keyboard ports, and, in some cases, a joystick port. A USB port represented a standardized way to connect a wide range of devices while offering significant advantages in tốc độ over other connection types.
Initially, adoption of USB công nghệ was slow. Computer manufacturers were slow to showroom the ports lớn their systems before USB-capable devices were available, and manufacturers of peripheral devices likewise were slow lớn market USB products before the ports became standard on new computers. In addition, operating systems had only minimal support when the technology was first introduced. The first generation of táo khuyết Inc.’s iMac, introduced in 1998, changed this, however. By making a popular computer that used only USB ports, táo khuyết essentially drove other manufacturers to lớn adopt the standard. Since then most peripheral devices such as printers, scanners, and keyboards have used USB. The standard even led lớn development of new devices, such as portable flash-memory drives, which replaced floppy disks.
USB công nghệ saw a number of revisions since its inception. Each revision increased the connection’s speed while staying backward-compatible with older revisions. Also, improved adapters allowed users to use USB ports khổng lồ connect to older serial devices such as network switches.
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