Glossary of Terms
 
  PC  
  1) Originally, the abbreviation for Personal Computer — Today it is used as a generic name for any IBM-compatible personal computer, usually running a version of the Microsoft Windows operating system.
2) In MIDI, an abbreviation for program change.
 
  Source: Yamaha  

Also refered as:
  program change
Related terms:
  Host Select switch   Mac   To Host port   serial port driver