The identification of a particular CPU. One of Intel's x86 instructions is CPU-ID, which is executed to find out what the capabilities and performance level of the current machine are.
"CPU ID." YourDictionary, n.d. Web. 08 June 2018. <http://www.yourdictionary.com/cpu-id>.
CPU ID. (n.d.). Retrieved June 08th, 2018, from http://www.yourdictionary.com/cpu-id