Editing ACCESS.bus (section)

{{Short description|Computer peripheral bus; predecessor to USB}}
'''ACCESS.bus''', or '''A.b''' for short, is a [[peripheral bus|peripheral-interconnect computer bus]] developed by [[Philips]] and [[Digital Equipment Corporation|DEC]] in the early 1990s, based on Philips' [[Inter-Integrated Circuit|I²C]] system.<ref>{{cite web|url=https://ww1.microchip.com/downloads/en/AppNotes/an617.pdf |title=Azzam, Nizar. "Definitions and Differences Between I 2 C, ACCESS. bus and SMBus." Standard Microsystems Corporation Technical/Application Notes, Hauppauge, NY (1999). |access-date=2021-10-22 }}</ref><ref>{{cite web|url=http://www.interfacebus.com/Design_Connector_I2C.html |title=I2C Bus / Access Bus |publisher=Interfacebus.com |date=2000-01-01 |access-date=2013-07-31}}</ref> It is similar in purpose to [[Universal Serial Bus|USB]], in that it allows low-speed devices to be added or removed from a computer on the fly. While it was made available earlier than USB, it never gained the popularity of USB.<ref>{{cite web|url=http://www.webopedia.com/TERM/A/Access_bus.html |title=What is Access.bus? - A Word Definition From the Webopedia Computer Dictionary |publisher=Webopedia.com |access-date=2013-07-31}}</ref>