One minute to let you understand the definition and types about dongle

Definition about dongle

A dongle is a small computer software encryption device, in general about the size of a common flash drive, that plugs into a computer.

Types about dongle

Usually, some dongles act as security keys while others serve as adapters. While early dongles connected to parallel ports on PCs and ADB ports on Macs, recent versions majority connect to a USB port.

Security Keys H3

Security dongles are used for copy protection are designed to prevent software piracy.

For example, some high-end software applications, such as professional software, like Dreamware, potoshop, require a dongle in order to run. The dongle, which is included with the software, must be plugged in when you open the software program. If the correct dongle is not detected, the application will produce an error message saying a dongle is required in order to use the software.

Adapters H3

Certain types of adapters are also called dongles. For example, a dongle can provide different types of cable connection for laptops.The expansion of the previous generations of laptop slot called PCMCIA port, the slot is too thin to include an Ethernet jack. Therefore, a dongle is needed. These types of encryption dog is usually one to three inches of cable, one end connected to the card, on the other side has an Ethernet hub.Modern Ethernet encryption dog have similar appearance, but they are usually connected to the USB or Thunderbolt ports.

Conclusion

Today, many dongles provide wireless capabilities. For instance, USB Wi-Fi adapters are often called dongles. Since most computers now have built-in Wi-Fi chips, cellular data adapters, such as 3G, 4G even the upcoming 5G dongles, are more prevalent. These types of dongles allow you to connect to the Internet via a cellular carrier like Verizon or AT&T even when Wi-Fi is not available.

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