略語大辞典 [C] 29 PIO parallel input/output (interface or controller) (コンピュータの)並列入/出力(インタフェース).parallel input/output (interface or controller); or programmable input/output (interface); in a micro computer system; or PIA(peripheral interface adapter(or adaptor)); or PPI(parallel port interface); e.g. Z80PIO, 8255PPI, 71 丸善「略語大辞典」JLogosID : 11855817