It was originally released in January 1996, and was developed by a consortium of Compaq, DEC, IBM, Intel, Microsoft, NEC, and Nortel. USB is one of the most commonly used communication protocols today. USB is also used to charge your phone, as well as to copy and transfer data from your phone, external hard drive, etc. If they are wired, then they are using the USB. This primarily includes the mouse and keyboard, but may also include a camera, a printer, an eternal hard drive, etc. USB came about as a universal way for devices to connect and communiate to the computer. Even now, just imagine the various different devices that are connected to your computer.

These devices used various difference forms of wires and ports to connect to the computer. In the 90s, as computer technology really started taking, so did the number of devices that were launched and used. Basically, it is used to communicate information, data, and evern electricity between devices. The primary purpose of USB, which stands for Universal Serial Bus (USB), is communication. Chances are even if you don’t know what it is exactly or how it works, you’ve probably heard of it and even if you haven’t, you’ve still probably used it without realizing it. Also, USB 2.0 is usually grey or black, while USB 3.0 is usually blue to differentiate it from 2.0. USB 2.0 offers a top speed of 480 Mbps, while USB 3.0 offers transfer rates of 4.8 Gbps. Key Difference: USB 3.0 is much faster than USB 2.0.

Usb 2 vs usb 3 read speed