USB Acronym

USB Acronym

April 25, 2016 Mobile and Phone 0
Universal Serial Bus

USB is the acronym in English of Universal Serial Bus (“Universal Port”, in Portuguese), a type of technology that allows the connection of peripherals without turning off the computer, as well as transmit and store data.

Peripherals are devices or cards that send and receive information from the computer, in connection to the CPU of the machine.

Universal Serial Bus

The most common examples are: Flash storage peripherals, printers, scanners, readers or writers of CDs and DVDs, card readers, mice, keyboards, webcam , etc.

Currently, most of these peripherals are connected to the computer via USB connection.

The current USB connections are the default PnP (Plug and Play or “Plug and Use”, in Portuguese), which helped reduce all the complication in setting of these devices, with the goal of facilitating the life of the user.

The USB standard was developed by a consortium of companies in 1995, among which include: Microsoft, Apple, Hewlett-Packard, NEC, Intel and Agere. However, the first “USB ports” only began to be used on computers manufactured from 1997.

USB Acronym 1

It was very difficult for these companies find a consensus, so the opinions were divided and formed two distinct groups: UHCI (Universal Host Controller Interface) supported by Intel, and transferring part of the processing Protocol for the software.

Already the OHCI (Open Host Controller Interface) supported by Compaq, Microsoft and National Semiconductor, which transferred most of the effort to the electronic controller.

The universal symbol of the USB system is a Trident of Neptune (in Roman mythology was the god of groundwater and underwater). Theoretically, the different forms of the tips of the Trident-circle, triangle and square-would represent the variety of devices that could be supported by USB technology.

USB Acronym 2

USB 3.0

The first version was called USB 0.7, released in November 1994. This model could reach a maximum speed of 1.5 MB per second data transfer.

In 2009 was released the USB 3.0, also known as SuperSpeed, which features ability to transfer up to 625 MB per second.

Currently, all electronics are produced in order to fit the USB technology.

Read more: Abbreviation Finder

Differences Between USB 2.0 and USB 3.0 Technology

The term USB, is one of the most common in the world of modern computers, but we know really what do these acronyms mean? In this article, we will define what is USB technology and what is the difference between the standard 2.0 and the new standard 3.0.

USB Acronym 3

First what is USB?

We can define USB (Universal Serial Bus), as an interface of type Plug & Play (i.e., engages with only connect it to the connector), which does not require any driver, or open the PC to install the devices. This type of interface, allows you to interact with the PC using different devices, such as keyboards, mouse, printers, cameras, memory, disk, etc., with fairly good data transfer rate.

Another notable feature of USB ports, is that they can control a lot of devices and peripherals to a single PC, since you can maximize the amount of USB ports by specialized HUB.

As it could not be otherwise has experienced a great evolution since its inception, leading to the s urgimiento of several versions over the years:

USB Acronym 4

USB 1.0. The first to appear, designed to work with keyboards, mice, and devices that require a very small bandwidth. Allows to work an approximate speed of 1.5 Megabits per second. With this you’d need approximately 6 hours to copy a movie from 4 Gigabytes. It appears in the year 1996.

USB 1.1. As it could not be otherwise it does not take long to design another standard which surpasses the preceding. In this case, its speed is multiplied by eight to 12 Megabits per second. You can now copy that same movie in “only” 45 minutes. We are already in 1998.

USB 2.0. With this we have a huge jump. The speed is multiplied by 40 times to reach 480 Megabits per second. The film of the previous example would soon little more than 1 minute copied. We are already in the year 2000. It is very common to find PCs that incorporate both ports

USB Acronym 5

USB 3.0. It appears in 2008. Multiplies the speed up to 4.8 Gigabits, i.e. is 10 times faster than USB 2.0. The same movie would just take about 10 or 15 seconds to copy. Now the problem, for the first time, is not the cable if not the drive or device you connect sufficiently fast to be able to give you that speed.

One of its most important enhancements is that it also increases the amount of energy that can offer devices. Very important because every time we are more that we charge our phones and tablets using this cable.

USB 3.0 and in the area of the disk external hard a competitor, the standard SATA 3.0 appears to him. What I do in this case is to put a plug in the cabinet which is connected directly to the motherboard. The difference in speed between a hard disk external and internal is diluted. The SATA 3.0 interface is able to operate at 6 Gigabits per second.

If your PC does not have a USB 3.0 expansion See LINK plate may be placed

 

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