| 单词 | overpunch |
| 释义 | ˈoverpunch, n. Computers.
[over- 1 d.]
A hole or hole position in the upper portion of a punched card.
1969Maisel & Wright Introd. Electronic Digital Computers xiii. 325 If the overpunch is a 12, the number is positive, and if it is an 11 punch, the number is negative. 1970O. Dopping Computers & Data Processing ii. 44 The two top rows are called zone punches or overpunches. The uppermost row is called 12 or Y, the second from the top, 11 or X. In addition, the uppermost numerical row, the 0 row, is used as a third overpunch. 1973Murrill & Smith Introd. Computer Sci. vi. 219 When programs written in programming languages such as Cobol read numerical data, the sign does not normally occupy a separate column. Instead, it is entered as an overpunch in the rightmost digit.
So ˈoverpunch v. trans., to represent by means of an overpunch; ˈoverˌpunching vbl. n.
1962Gloss. Terms Automatic Data Processing (B.S.I.) 90 Over-punching, the use of the upper curtate to represent a digit independently of the use of the lower curtate. 1973Murrill & Smith Introd. Computer Sci. vi. 220 Figure 6·6 also illustrates the situation when the & symbol is overpunched in the same column as the 3. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容11：
相关热词搜索：overpunch英英词典英英释义英语词汇意思用法释义英语
字词 降睾酮 释义 【医】 nortestosterone 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖......
单词 foster 释义 foster v 1 [Tn] help the growth or development of (sth); encourage or pro......
单词 foreman 释义 foreman n (pl -men , fem 阴性作 forewoman , pl -women ) 1 experienced wo......
字词 限制制图 释义 【机】 restriction mapping 汉译英翻译词典收录405719条汉英翻译词条，基......
字词 降真香 释义 【医】 Tanarius major 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖......
单词 over-prying 释义 over-prying, a.[over- 28 b.]Excessively prying; too inquisitive.1655......