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计算机技术的第一次出现在美国的1…
One of the first occurrences of computer technology occurred in the USA in the 1880s. It
was due to the American Constitution demanding that a survey is undertaken every 10 years.
As the population in the USA increased, it took an increasing amount of time to produce the
statistics. By the 1880s, it looked likely that the 1880 survey would not be complete until
1890. To overcome this, Herman Hollerith (who worked for the Government) devised a machine
which accepted punch cards with information on them. These cards allowed a current
to pass through a hole when there was a hole present.
- 2022-02-20 02:14:45下载
- 积分:1
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欧吉桑僧伽usafsafi按时缴费后爱上
欧吉桑僧伽usafsafi按时缴费后爱上
-BT
- 2022-01-26 03:04:58下载
- 积分:1
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这是我们第一学期C++的复习提纲,希望对大家有所帮助!
这是我们第一学期C++的复习提纲,希望对大家有所帮助!-This is our first semester C outline of the review, we want to help!
- 2022-01-25 16:49:45下载
- 积分:1
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《MATLAB时尚百例实例》实例70
《MATLAB时尚百例实例》实例70-83
- 2023-06-03 09:50:03下载
- 积分:1
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《JBoss.3.0QuickStart》,为JBoss系统学习入门书籍,英文版,很有看头...
《JBoss.3.0QuickStart》,为JBoss系统学习入门书籍,英文版,很有看头-"JBoss.3.0QuickStart" to systematically study entry JBoss books, in English, to watch
- 2022-07-10 19:07:35下载
- 积分:1
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Madsen 和 Grant 的波浪边界层Fortran源代码,很经典的,花了好长时间才找到,希望朋友们喜欢...
Madsen 和 Grant 的波浪边界层Fortran源代码,很经典的,花了好长时间才找到,希望朋友们喜欢-The wave boundary layer fortran code by Madsen and Grant, extremely classic and takes me lots of time to get it.
- 2022-08-19 14:18:42下载
- 积分:1
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这是飞凌公司TE2410开发板的用户手册
这是飞凌公司TE2410开发板的用户手册-This is a development board飞凌company TE2410 owner
- 2023-05-16 03:35:03下载
- 积分:1
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C++经典算法.rar很经典的,希望能够给大家帮助,
C++经典算法.rar很经典的,希望能够给大家帮助,-C++ Classic algorithm. Rar is a classic, hope to be able to help everyone,
- 2022-02-01 09:54:33下载
- 积分:1
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通信协议,宽带多
通讯协议,多带激励宽带语音编码 -Communication protocol, broadband multi-band excitation speech coding
- 2022-06-12 22:16:02下载
- 积分:1
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《matlab时尚编程百例》work70
《matlab时尚编程百例》work70-1
- 2023-05-22 10:25:04下载
- 积分:1