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A Chromecast stick plugged into the HDMI port of a TV. The wire attached to the other end is the USB power supply.

A dongle is a small piece of computer hardware. when you plug the dongle to your device, it will provide additional functionality, or enable a pass-through to such a device that adds functionality.[1]

The term has since been added to other types of devices with a similar form factor, such as:

  • adapters that convert ports to handle different types of connectors (such as DVI to VGA for displays, USB to serial connection, and in modern computing, USB-C to other types of ports, and Mobile High-Definition Link),[2]
  • USB wireless adapters for standards such as Bluetooth and Wi-Fi
  • USB flash drives (more commonly described as "USB stick" or "USB key")
  • small form-factor digital media players that plug into HDMI ports (most commonly described as a "media player dongle" or "media player stick")

Examples[change | change source]

Security dongles are typically used to help prevent unauthorized use and copying of certain forms of software. Initially using ports such as the serial port or parallel port, most are now in USB format.

Very short cables that connect relatively large jacks to smaller plugs/. It allow cables to be easily installed and removed from equipment with limited space available for connectors. The Chromecast devit negates the need for a short adapter cable.

References[change | change source]

  1. Watson, David Lilburn; Jones, Andrew (2013-08-30). Digital Forensics Processing and Procedures: Meeting the Requirements of ISO 17020, ISO 17025, ISO 27001 and Best Practice Requirements. Newnes. ISBN 9781597497459.
  2. Lee, Dave (2016-11-07). "Discussing the dongles". BBC News. Retrieved 2019-04-21.

Other websites[change | change source]