A device that prevents access to data, such as a key lock switch on a computer or a file protection mechanism on a floppy disk. Contrast with logical lock.
"physical lock." YourDictionary, n.d. Web. 16 May 2018. <http://www.yourdictionary.com/physical-lock>.
physical lock. (n.d.). Retrieved May 16th, 2018, from http://www.yourdictionary.com/physical-lock