Meaning of usb (what is it, concept and definition)

What is USB:

USB stands for Universal Serial Bus which translates to Universal Serial Port and is the most common type of input and output on a computer for connecting computing devices.

In computer science, the USB memory or pendrive is a type of portable memory flash memory that uses a port in the USB format.

USB ports was introduced in 1997 but it was only popularized with the incorporation of this type of input ports in Apple iMac computers in 1998.

USB ports are used to connect all kinds of devices, such as keyboards, mice, printers, memories, hard drives, scanners, cameras, among others.

USB cables, ports and inputs have had three major versions that differ in the transmission speed of the number of megabits per second (Mbps) of information as summarized below:

• USB 1.1.: 12 Mbps maximum transmission speed. USB 2.0.: 480 Mbps maximum speed. USB 3.0.: 5,120 Mbps maximum speed (5 Gbps). USB 3.3.: 10,240 Mbps maximum speed (10 GBPS).