What is USB (Universal Serial Bus)? – Get The Full Details

What is USB (Universal Serial Bus)?

USB- (universal cereal bus) is a standard  introduced in 1995 by Intel corporation, Compaq, Microsoft and other computer giants.usb

The USB 1.x is an external bus standard that supports data transfer rates of 12 Mbps and is capable of supporting about 127 peripheral devices.

Transfer Speeds:

The USB 2.0, also known as (hi-speed USB, was developed by Hewlett Packard, COMPAQ Intel, Lucent, Microsoft, Philips,  NECand  and was introduced in 2001.

Hi-speed USB’s have the capability of supporting a transfer rate of up to 480 Mbps and is backwards compatible, meaning it is capable of supporting USB 1.0 and 1.1 cables and devices.

The latest version is USB 3.0 also known as SuperSpeed USB . Most new computers feature USB 3.0 ports built-in, offering data transfer speeds of up to five gigabits a second.

USB 3.0 dramatically improved upon the USB 2.0 technology with speed and performance increases, power management, and bandwidth capability therefore providing two unidirectional data paths for receiving and sending data at the same time.

The USB 3.0 devices were first made available in 2009 by Buffalo Technology INC, but the first certified devices weren’t available until  2010.

The new certified devices included motherboards from ASUS and GigabyteTechnology. Dell computers began including USB 3.0 ports in the Inspirons and Dell XPS’s  in 2011.

And now, many devices use the USB 3.0 revision for improved performance and speed, including USB thumb drives, MP3 players, digital cameras, external hard drives,  and other.

Connector variations

The USB connectors come in many shapes and sizes to accommodate many different devices that utilize them. Every version of USB connector including Mini, Standard and Micro have two or more variations of connectors.

Some Of The USB devices Out There

Today, there are millions of different USB devices that can be connected to computers. Below are some of the most common USB devices.

External drive, iPod or other MP3 player, Keyboard, Keypad, Microphone, Mouse, Printer, Jump drive, aka Thumb drive, Scanner, Smartphone, Tablet, Webcams, Camera, Joysticks.

Hope this was of a great help, for further assistance please feel free to write me using the comment box below


Sam Ammouri

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