USB

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USB

Universal Serial Bus: a standard for connection sockets on computers and other electronic equipment

USB

(computer science)

USB

(architecture)

USB

(communications)

USB

(1) See USB drive and USB port.

(2) (Universal Serial Bus) USB is a hardware interface for up to 127 peripherals that is governed by the USB Implementers Forum (see USB-IF). USB is used to attach keyboards, mice, printers, external storage and mobile devices to the computer. It is also used for charging a wide variety of portable products (see USB power). After debuting in 1997, USB soon replaced the earlier serial port, parallel port and Apple Desktop Bus.

Hot Swappable Drives
USB devices can be plugged and unplugged while the computer is on. 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). See USB drive, USB device class, USB OTG, USB switch and USB toy.


Connecting via USB
Host sockets are Type A, and peripherals use B, Micro-B, Mini-B, USB-C and Lightning. In time, USB-C is expected to replace A, as well as every other USB connector. Today, some laptops have only USB-C ports, while all other computers have Type A. See USB Type C, USB hub, Mini USB, Micro USB and Lightning connector.


Connecting via USB
Host sockets are Type A, and peripherals use B, Micro-B, Mini-B, USB-C and Lightning. In time, USB-C is expected to replace A, as well as every other USB connector. Today, some laptops have only USB-C ports, while all other computers have Type A. See USB Type C, USB hub, Mini USB, Micro USB and Lightning connector.






USB 2.0 and SuperSpeed
SuperSpeed is 10 times faster than USB 2.0, and all modern computers support it. As indicated in the above chart, there are, unfortunately, multiple designations for the same speed. DisplayPort requires USB-C cables (see USB Type C). See USB-IF and USB 3.2.




USB 2.0              Data Rate

 USB 2.0 High Speed    480 Mbps
 USB 2.0 Full Speed     12 Mbps
 USB 2.0 Slow Speed    1.5 Mbps


 USB 3.2              Data Rate  LanesSuperSpeedUSB 3.2 Gen 1x1         5 Gbps   1
 (a.k.a. USB 3.0)
 (a.k.a. USB 3.1 Gen 1)

 SuperSpeed+USB 3.2 Gen 2x1        10 Gbps   1
 (a.k.a. USB 3.1
 (a.k.a. USB 3.1 Gen 2)

 USB 3.2 Gen 1x2**      10 Gbps   2
 USB 3.2 Gen 2x2**      20 Gbps   2
 ** Dual-lane requires USB-C cables


USB Is Often Power Only
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). (Image courtesy of Google Inc.)



USB Is Often Power Only
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). (Image courtesy of Google Inc.)
References in periodicals archive ?
Sabine Keller-Busse will replace Koerner as president UBS Europe, Middle East and Africa in addition to her current role as group chief operating officer (COO).
Koerner, who has run UBS's asset management unit since 2014 after serving as group chief operating officer from 2009, will be replaced by Suni Harford.
Matthew Cheung Kin-chung, GBM, GBS, JP, Chief Secretary for Administration of the Hong Kong Special Administrative Region (HKSAR) Government, Amy Lo, Chairman and Head of Greater China, UBS Wealth Management and Country Head, UBS Hong Kong branch, and Dr.
"UBS actively ignored Aliberti for months despite repeated complaints and requests for information, and UBS later filed an amended complaint against Aliberti alleging abuse of process and malicious prosecution in response to her assertion of her rights," Ditkoff wrote.
The rating considers UBS AG's current expectations that it will merge its London-based subsidiary UBS Limited into UBS ESE, prior to the UK leaving the European Union on 29 March 2019, in the absence of adequate transition relief being agreed and passed into law by the UK and the EU.
On 1 December 2016, UBS created UBS Europe SE (UBS ESE), with its head office in Germany and branches located in Luxembourg, Italy, Spain, Austria, Sweden and Denmark, thereby creating a truly European bank and a pan-European wealth manager.
It also comprises the products and services of the Netherlands branch of UBS Europe SE.
Given that one of the three bases of the PMM is an improved UBS infrastructure, and that the unsatisfactory quality of this infrastructure impacts the settlement of physicians, the aim of this article is to examine the insertion of the PMM physicians in the context of the structure of the UBS in terms of actions and to discuss the potential of the program in improving the supply of physicians to primary healthcare.
From 2000 through 2008, UBS Willow Management invested the fund's assets consistent with the strategy described in the offering and marketing materials, the SEC states.
DOJ says UBS violated Libor settlement terms, tears up agreement
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