What is a USB adapter?

One of the most common connection ports on today’s computers and peripheral devices is the Universal Serial Bus (USB), and you can recognize a USB port or cable by its male or female rectangular end. The current version of USB is 2.0; earlier versions are not supported. If your desktop or laptop is a relatively new Macintosh, you will have USB ports. Older Macs probably have something different. Windows machines switched to USB ports before Macs, but some older PCs still have non-USB ports.

An A/V to USB adapter cable.

One of the most common non-USB ports is the serial port. This type of cable-port combo routinely has multi-numbered pins on cables that fit into corresponding numbers of holes in the ports. Even some of the most recently manufactured computers have serial ports for connecting peripherals like printers and scanners.

Many modern devices have a USB cable.

A problem can arise if you buy a newer computer and want to connect it to an older printer. The computer probably has a USB port, but the printer probably has a serial port. This may also be the case with newer computers. To connect the two devices, you need a USB adapter.

USB cables are used to connect devices – such as printers, keyboards and music players – to computers.

The USB adapter connects USB port devices to non-USB port devices. It usually has a USB cable on one end and a non-USB cable on the other. Just plug the right end into the right port and you can overcome what seems like an insurmountable problem. The adapter solves this problem for you.

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As the size of USB 3.0 ports are different from previous generations, many people will need adapters for their devices.

Another common type of USB adapter these days is one that connects an iPod or other MP3 player to the charger. A portable music player will likely not have a USB port, but some sort of serial port. This is where the adapter comes in handy. The cable that came with the music player will have the serial cable on one end and a USB cable on the other. The charger that plugs into an electrical outlet will have a USB port, which you can plug the charging cable into to turn on the music player. In this case, the charging device itself is the adapter.

You can also find a USB adapter that works with wireless devices. A keyboard, mouse, or headset can be connected to the computer using a dongle that plugs into a USB port on the computer, but does not need to connect to anything on the other side. This may not look like the same type of device as the ones described above, but it is a USB adapter as it connects a USB port to a non-USB device.

A common type of serial cable is the recommended standard cable 232 (RS-232), whose ports are often found on computers.

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