program counter
processor register that indicates the location in memory of the currently-executing instruction in the binary code of a program
en-GB/ˈpɹəʊɡɹæm ˈkaʊntə/
en-US/ˈpɹoʊɡˌɹæm ˈkaʊntɚ/
processor register that indicates the location in memory of the currently-executing instruction in the binary code of a program