略語大辞典 [C] 29 PRN program normal (データ通信の)短縮ダイヤル書き込み(命令). モデム制御命令.program normal; a mnemonic for a modem control command; e.g. in V.25 bis by CCITT; [C]. 丸善「略語大辞典」JLogosID : 11856545