USB EXPLAINED!

USB EXPLAINED!

USB WHAT IS IT?

USB, short for Universal Serial Bus, is a standard type of connection for many different kinds of devices.

Generally, USB refers to the types of cables and connectors used to connect these many types of external devices to computers.

USB VERSIONS

There have been three major USB standards.

USB 3.0: Called SuperSpeed USB, USB 3.0 compliant hardware can reach a maximum transmission rate of 5 Gbps (5,120 Mbps).

USB 2.0: Called High-Speed USB, USB 2.0 compliant devices can reach a maximum transmission rate of 480 Mbps.

USB 1.1: Called Full Speed USB, USB 1.1 devices can reach a maximum transmission rate of 12 Mbps.

Most USB devices and cables today adhere to USB 2.0, and a growing number to USB 3.0.

WHERE WE USING IT?

USB has become so common that you'll find the connection available on nearly any computer-like device such as video game consoles, home audio/visual equipment, and even in many automobiles.

Many portable devices, like smartphones, ebook readers, and small tablets, use USB primarily for charging. USB charging has become so common that it's now easy to find replacement electrical outlets at home improvement stores with USB ports built it, negating the need for a USB power adapter.

USB PIN DETAILS

*D+ =DATA PLUS

*D-  =DATA MINUS.

USB flash drive

A USB flash drive, also variously known as a USB drive, USB stick, thumb drive, pen drive, jump drive, flash-drive or USB memory,is a data storage device that includes flash memory with an integrated USB interface. USB flash drives are typically removable and rewritable, and physically much smaller than an optical disc.

USB flash drives use the USB mass storage device class standard, supported natively by modern operating systems such as Windows, Linux, macOS and other Unix-like systems, as well as many BIOS boot ROMs.

A flash drive consists of a small printed circuit board carrying the circuit elements and a USB connector, insulated electrically and protected inside a plastic, metal, or rubberized case which can be carried in a pocket or on a keychain. USB flash drives draw power from the computer via the USB connection.Some devices combine the functionality of a portable media player with USB flash storage they require a battery only when used to play music on the go.

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