USB 3.0 Image Source: The 2.0 model was highly efficient and greatly improved the capabilities of USBs. The external hardĭrive with a USB 2.0 connector will fit perfectly in your computer's USB 1.1 port.
Maybe you don't need a new computer, but you need to buy a new external hard drive. The newly improved speeds, the USB 2.0 was backwards compatible with all USB 1.1 ports and vice versa.įor example, if you bought a new computer with USB 2.0 ports, but your webcam and keyboard had USB 1.1Ĭonnectors, your external devices would still link up to your PC! The same would happen in reverse. Soon enough, USB 2.0 ports or cables became standard for newer computers and external devices.
The USB 2.0 transmitted data 40 times faster than the USB 1.1 with a signaling rate at 480 megabits per The biggest difference between the 2.0 and 1.1 were the speed transfers.
PC without having to disconnect or restart. Intel, Microsoft, and Apple, came together to invent a universal device that connected external sources to a
Take a look at the different USB options youīefore USBs, computers had connectors called serial and parallel ports. ThereĪre 6 versions of USB, as well as 3 different types of ports.
USB may have the word "universal" in its name, but that doesn't mean every port works for every device. They're hooked up to, whereas others draw power from an external source, such as a battery or an outlet.īy utilizing USB hubs, the USB port on your computer allows you to connect up to 127 different devices! What Are the Different Versions of USB? Some hubs draw power from the computer source The biggest difference between USB hubs is their power source. This allows you to use more than one or two USB devices at a time. Hubs are usually shaped like a block with a USB cable that you use to hook The white wire (data +) transfers the information to its destination while the green wire (data -) ensures that the connection isn't lost.Ī USB hub is a device used externally that hooks up to your computer to add more USB ports since mostĬomputers only have one or two. These create an opposite polarity or mirror image. The other wires are called data + (white) and data - (green). This is standard in every electrical source. The power source comes from the red (positive charge) and black (ground) wires. You plug it into its port for an instant connection. The USB made it easier to streamline communicationįrom a device to your computer and the world wouldn't be the same without it! Image Source: How Does a USB Work?
Charging your phone, saving your homework to a flash drive, or connecting a printer to your computer all use USBs.īhatt may not like taking full credit for his invention, but after being frustrated with his wife'sĬomputer, he was driven to think up a better solution. In the 21st century, it's impossible to get through your everyday life without using USB technology. Bala Sudarshan Cadambi, Jeff Morriss, Shaun Knoll, and Shelagh Callahan all assisted in Who Invented the USB? Image Source: Most people claim that computer expert Ajay Bhatt invented the USB however, he openly expresses that he is As technologyĬontinues to become faster and gain more storage, USBs follow suit as newer versions always emerge in theĬheck out the progression of USB's with this helpful chart! The goal was to create a deviceįor your PC that allowed other devices to sync up to it without needing a variety of cords. World of USBs and how they work! When Was the USB Invented? To the various types, like type A, B, and C, the sizes begin to vary greatly.
No matter what USB port version you have, the biggest difference is the data speeds. There are a lot of different kinds of USBs including the following: The USB connects external devices such as printers, keyboards, flash drives, and even your cell phone to your computer, laptop, or tablet! USB, or Universal Serial Bus, are the small ports located on the sides or back of your laptop, or on the tower for your PC.