PIO
From Wikipedia, the free encyclopedia
PIO can mean:
- Programmed input/output, a transfer method for IDE harddisks
- Parallel input/output, an I/O circuit
- Public information office of a government department
- Person of Indian Origin, an overseas/expatriate Indian who has certain rights of citizenship
- Pilot-induced oscillation
- Police Intelligence Operations, one of the five functions of the U.S. Army Military Police