We all have a USB port on our computer, phone, charger and many electronic devices. Do you know what is it and different versions of it So let’s have a quick look at it
USB stands for Universal Serial Bus that allows a computer to transfer or taking the data from external sources. It can be a keyboard mouse joystick etc. It allows our electronic devices to make communication with the computer. In smartphones and tablets, it also becomes a port for supplying electric charge to its batteries. The first universal bus introduced in 1996 which is 1.0. In 2000 there was an introduction to our standard USB port that is 2.0.
USB categorises itself in three parts
USB A: It shapes in a square form and commonly it is used for keyboards.
USB B: It shapes in a rectangular form and commonly found on routers, computers, printers.
USB C: It is formed to replace both A and B and has a shape smaller in size to support mobile devices.
Micro USB: It uses in smartphones, the USB port on smartphones is used for both charging and data transfer.
Now Let us know about versions of USB ports and their advancement over the technology.
USB 2.0 – This version is a modification of 1.0 and has much higher bandwidth for multimedia and storage. It is 40 times faster from 1.0. It was established in 2000 and adapted by Intel Microsoft Philips etc. It has both connectivities that is forward and backwards. It is the most standard port in our computers till now. It has a transferring speed of 480 megabytes per second.
USB 3.0,- This is a super speed USB and an improvement on USB 2.0. It was first available in 2010 by Buffalo technology. improved power management and increased bandwidth capability. It provides two unidirectional data paths for receiving and sending data at the same time. USB 3.0 supports transfer rates up to 5.0 gigabits per second (Gbps), or 640 megabytes per second (MBps). It is 10 times faster than USB 2.0.
USB 3.1, also known as SuperSpeed+, was made available as of July 31, 2013, and is the latest version of the USB protocol. USB 3.1 is capable of transfer rates of up to 10 Gbps, Today, many devices use the USB 3.0 and 3.1 revisions for improved performance and speed.