USB is widely used as a power source for phones, tablets and other devices. This Chromecast streaming stick plugs into the TV's HDMI port but is powered by USB (see Chromecast and USB power).
USB 3.2 Data Rate Lanes SuperSpeed USB 3.2 Gen 1x1 5 Gbps 1 DisplayPort requires USB-C cables (see USB Type C). See USB Type C, USB hub, Mini USB, Micro USB and Lightning connector.Īs of USB 4, the nomenclature was simplified so that future SuperSpeed logos show their speed ratings (5, 10, 20, 40) and eventually replace the multiple designations for USB 3.x (see USB 3.2). Today, some laptops have only USB-C ports, while all other computers have Type A. In time, USB-C is expected to replace A, as well as every other USB connector. Host sockets are Type A, and peripherals use B, Micro-B, Mini-B, USB-C and Lightning. See USB drive, USB device class, USB OTG, USB switch and USB toy.
#UNIVERSAL BUS PORT MANUAL#
This feature, combined with easy-to-reach ports on every computer, gave rise to the ubiquitous USB drive for transport (a manual "eject" is however required). USB devices can be plugged and unplugged while the computer is on.
#UNIVERSAL BUS PORT SERIAL#
Governed by the USB Implementers Forum (see USB-IF), USB emerged in the mid-1990s and soon replaced the earlier serial port, parallel port and Apple Desktop Bus.
#UNIVERSAL BUS PORT PORTABLE#
It is also used for charging a wide variety of portable products (see USB power). USB is used to attach keyboards, mice, printers, external storage and mobile devices to the computer. (2) ( Universal Serial Bus) A hardware interface that supports up to 127 peripherals. This article is provided by FOLDOC - Free Online Dictionary of Computing ( ) USB (1) See USB drive and USB port. The USB 2.0 specification was released in 2000 to allow USB toĬompete with Firewire etc. Versions of Windows 95 included support for it. Logic into PC chip sets and encourage other manufacturers
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A USBĬable has a rectangular "Type A" plug at the computer end andĪ square "Type B" plug at the peripheral end.īefore March 1996 Intel started to integrate the necessary It supports daisy chaining through a tiered star multidrop topology. Cables canīe up to five metres long and it includes built-in powerĭistribution for low power devices. Isochronous and asynchronous data transfers. USB works at 12 Mbps with specific consideration for low cost For fasterĭevices existing IDE, SCSI, or emerging FC-AL or
Low-speed scanners and removable hard drives. Keyboards, mice, monitors, printers, and possibly some USB is intended to replace existing serial ports, parallel ports, keyboard, and monitor connectors and be used with Peripherals over an inexpensive cable using biserial Standard for communication between a computer and external
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