Understanding USB

USB - Universal Serial Bus is what we use everyday without realising it’s underlying everything. We just know we plug it and it starts working, whatever it is

Here is everything you need to know even if you care little to none :)

From Wiki
Universal Serial Bus (USB) is an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply between computers, peripheral devices and other computers. Released in 1996, the USB standard is currently maintained by the USB Implementers Forum (USB IF). There have been three generations of USB specifications: USB 1.x, USB 2.0 and USB 3.x; the fourth called USB4 is scheduled to be published in the middle of 2019.

Max SpeedFormer Name(s)Current NameMarketing NameYear
1.5 Mbit/s12 Mbit/s (Full Speed)USB 1.0USB1996
480 Mbit/sUSB 2.0High Speed USB2001
5 Gbit/sUSB 3.0USB 3.1 Gen 1USB 3.2 Gen 1SuperSpeed USB2011
10 Gbit/sUSB 3.1 Gen 2USB 3.2 Gen 2SuperSpeed USB 10 Gbps2014
20 Gbit/sUSB 3.2 Gen 2 x 2SuperSpeed USB 20 Gbps2017

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Different types of usb ports & jacks

Different types of usb ports & jacks