| 单词 | punch card | 
| 释义 | > as lemmaspunch card   punch card  n. = punched card n. at punched adj.1 Compounds. ΘΚΠ society > computing and information technology > hardware > secondary storage > 			[noun]		 > punch card or tape punched paper1860 punch card1881 punched tape1885 paper tape1890 perforated tape1890 punched card1890 master card1937 tape1945 1881    Chester 		(Pa.)	 Daily Times 23 Sept.  				Punch cards have been put out, and almost everyone can show you twenty or thirty stars, representing ten cents each. 1900    Jrnl. Polit. Econ. 8 383  				The electrical machines to which the punch cards pass are provided with plates of blunt steel pegs. 1945    J. Von Neumann in  B. Randell Origins Digital Computers: Sel. Papers 		(1973)	 355  				These instructions must be given in some form which the device can sense: Punched into a system of punchcards [etc.]. 1990    Guardian 18 Jan. 29/2  				Today nobody would consider punch cards as a data storage option. < as lemmas  | 
	
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