略語大辞典 [C] 20 ACK acknowledge 肯定応答. (データ通信での)受信完了(制御信号). アスキーコードでは06H.acknowledge; a control character in data communications between computers; e.g. 06H in ASCII(American Standard Code for Information Interchange); [C]. 丸善「略語大辞典」JLogosID : 11864549