Jisho

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Noun
1. dongleComputing
Wikipedia definition
2. Software protection dongleA software protection dongle is a small piece of hardware that plugs into an electrical connector on a computer and serves as an electronic "key" for a piece of software; the program will run only when the dongle is plugged in. The term "dongle" was originally used to refer only to software-protection dongles; however, currently "dongle" is often used to refer to any small piece of hardware that plugs into a computer.
Read “Software protection dongle” on English Wikipedia
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Read “Software protection dongle” on DBpedia

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