Complex sentence: A software protection dongle is a small piece of hardware that connects to a laptop or desktop computer; this article is limited in scope to dongles used for the purpose of copy protection or authentication of software to be used on that system.
Split into simpler sentences: A software protection dongle is a small piece of hardware that connects to a laptop or desktop computer. This article is limited in scope to dongles used for the purpose of copy protection or authentication of software to be used on that system.