略語大辞典 [C] 29 DEC decrement byte or word by 1 (コンピュータの)算術減算(命令). アセンブリ言語.decrement byte or word by 1; an arithmetic subtraction instruction for a computer; e.g. 64180, 80*86 CPU; an assembly language; [C]. 丸善「略語大辞典」JLogosID : 11871526