USB, short for Universal Serial Bus , is a common type of computer port that makes it easy to charge a device or transfer data between two devices.
When it comes to USB, there are really only four things that matter: form factor, transfer speeds, power delivery, and video delivery. There are multiple types of USB that have popped up over the years, each with a unique design and use case.
These cables always have USB-A on one end with a different port type on the other, and can be used for device charging and data transfer. USB-A is still widely used and can be found on devices like computers, gaming consoles, TVs, and all kinds of peripherals. USB-B is pretty much only used on large devices, like scanners or printers. Visually, this connector looks almost square.
Micro-USB was the standard a while back for certain portable devices, like Android tablets and smartphones because it can transfer data and provide charge.
It was the standard for charging or transferring data from devices like tablets before Micro-USB was. There are also Type-A and Type-B versions of this connector.
This is the current standard, and it marries power and data delivery with display connectivity. Its form factor is small, oblong, and reversible, so it can be plugged in either way take that, USB-A. USB-C has the potential to replace all other cables, thanks to its diverse multi-tasking abilities.
It has the ability to power even the most power-hungry devices, like laptops and TVs. It can also transfer 40 gigabits of data per second Gbps , and can be used to deliver 4K video to external monitors. You can get around this problem by using active USB extension cables. These cables have repeaters in them that allow the signal to be repeated to longer distances. Each USB port can only physically connect to one device. This creates the ability to easily expand the number of USB devices can be connected to a single computer.
Various connectors: There are several different USB connector types. USB A is the connection found on computers. Below are the 4 most common connector types, but many more exist as some companies design their own versions for their products. You probably already know a lot about USB, being that it is now the most popular data connection for typical consumer end computers. USB was originally designed to replace the motley assortment of cables coming out of the backs of personal computers with their big inconvenient connectors which were USB's predecessors: parallel and serial connections.
USB 1. Improving upon USB 1. USB 3. Perhaps one of USB's biggest limitations is its distance limitations. Although you'd probably be able to get more distance, the further you go the more likely you will begin to experience slower transfer rates because of corruptions in the file packets, until entire files are not able to transfer any longer.
Many companies have created ways to overcome this set-back, including the basic USB 2. If you're needing to go further than the 32 feet this booster cable will give you, try the 20 meter USB Active Extension Cable , which features multiple active repeaters to go even further. USB has come a long way and has truly become quite Universal, handling more types of connections than the original creators might have imagined:. No Doubt you know all about USB by now. If not, read our quick introductory article about USB 's abilities, limitations, and applications.
If you aren't up to speed on USB, here's a quick recap. Since the release, other amendments have been added to USB 2. There are 8 bits in a byte. This means that megabits per second transfer speed is equivalent to 60 megabytes per second. Of course if you want to take advantage of new USB 3. Mixing and matching cables and devices of different USB iterations will not hurt anything. The USB 3. USB 2. With the extra pins, the USB 3. Four of the five new pins are dedicated to transferring data up and down stream.
Looking at this on paper, this is super fast. Imagine being able to transfer your entire library of music of I actually transferred all of my music from my mac back to my old mac and it probably took around 15 minutes. Many critics of USB 3. If you're using your USB flash stick for many purposes, it might be useful to back up the contents. An easy way to do this is with Win32 Disk Imager.
Although Win32 Disk Imager is usually used to write bootable disk images to flash drives, it can also create images. Simply install and run the tool, insert the USB stick, and select a destination and name for the Image File. Click Read to clone the disk contents. When you need to restore the disk image, simply browse to the image and click Write.
Download: Win32 Disk Imager for Windows. If you travel often, you've probably mislaid documents. Visas, booking confirmations, even passports can easily go missing. Packing papers in the wrong bag can lead to problems if baggage handlers make a mistake. One of the most important things you can put on a USB are your travel documents. Simply slip it into your wallet or bag and carry it with you. It might even be worth scanning your passport to provide immigration with the information they need to conduct background checks if your passport has gone missing.
For example, Windows 10 users can create a bootable USB installer disk using a dedicated tool. In the event of a problem with the operating system, this can be used to recover or even reinstall Windows. Similarly, all manner of Linux based operating systems can be installed from USB. Alternatively, you might be looking for an OS that you can run from USB to keep your online activity private. The solution to this is Tails, which unlike standard operating systems, preserves your privacy and anonymity.
No logs are kept on the operating system. Meanwhile, state of the art cryptographic software encrypts your files, emails, and instant messages, while internet data is routed via Tor. Each time you use Tails on your USB flash drive, it starts a whole new session, retaining no data.
This helps to enhance your online privacy and securityjust be sure to use secure passwords! Download: Tails live operating system.
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