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What is a USB Plug?

Patrick Wensink
Updated May 16, 2024
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A USB plug is a connection port and the accompanying wire that creates a connection between an external device and a computer. USB plugs — or universal series bus blugs — are used with a variety of computer devices, ranging from MP3 players to printers, and they connect to most computers. These plugs have been developed over many years to be nearly universally compatible with all brands of devices. Each USB plug has three distinct properties: usability, durability and compatibility.

The USB plug was invented by Ajay Bhatt in 1994. Its invention was part of a seven-company initiative to create a device to make it easier to connect external devices to personal computers (PCs). The companies Compaq, DEC, IBM, Intel, Microsoft, NEC and Nortel all pooled funds and resources, and the plug was first made available to the public in 1995. The USB plug has been updated several times since then, but its primary function remains the same.

A USB plug works by providing a series of hubs for data to travel through from the external device to the computer. This information specifically travels through "pipes," a term referring to the logical channels of flow. A variety of information for a number of commands is sorted out and sent to the appropriate receptor within the PC.

One of the most popular uses of this technology is data storage with a USB memory stick. This small, portable device can store many megabytes of data. USB cables also connect functional devices such as printers, scanners, microphones and cameras. Video game joysticks and consoles frequently utilize a computer's USB port. This device eliminates the need for a computer to have a variety of inputs for products and simplifies operation to a single spot.

USB plugs have become popular because of their three distinct properties: usability, durability and compatibility. Its usability comes by design, because plugs cannot be incorrectly inserted, thanks to its distinct shape. USB plugs also are made to be highly durable because of the USB wiring and the highly insulated cable most devices use. Others, such as a memory stick, have no cable at all and plug directly into the port. By adhering to a series of standards created by the USB Committee, any USB plug is compatible with any USB port, no matter the brand or model of the device.

The USB plug is one of the most popular connection tools for computers. By adhering to rules of usability, durability and compatibility, users connect many things. Scanners, video game controllers and memory sticks utilize USB plugs to make them much easier for people to use with their computers.

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Patrick Wensink
By Patrick Wensink
Patrick Wensink, a bestselling novelist and nonfiction writer, captivates readers with his engaging style across various genres and platforms. His work has been featured in major publications, including attention from The New Yorker. With a background in communication management, Wensink brings a unique perspective to his writing, crafting compelling narratives that resonate with audiences.
Discussion Comments
By anon80804 — On Apr 28, 2010

Boy, this is all greek to me. All I want to do is put the photos I took with my Nokia camera phone and put them on the computer. Help!

Patrick Wensink
Patrick Wensink
Patrick Wensink, a bestselling novelist and nonfiction writer, captivates readers with his engaging style across various...
Learn more
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