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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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设计模式，挺实用的书，欢迎交流。。。。
。ebjoy it，
设计模式，挺实用的书，欢迎交流。。。。
。ebjoy it，-design patterns, they are practical, the book welcomes the exchange. . . . . Ebjoy it,.
- 2022-03-02 18:03:36下载
- 积分：1
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经典c程序100例是很好的参考资料，望c语言开发者下载！
经典c程序100例是很好的参考资料，望c语言开发者下载！-100 cases of classic c procedures is a good reference, hope c language developers to download!
- 2023-04-14 03:55:03下载
- 积分：1
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Visual C++. NET technology insider Sixth Edition Chinese (PDF)
Visual C++.NET技术内幕第六版中文(PDF)-Visual C++. NET technology insider Sixth Edition Chinese (PDF)
- 2022-07-09 01:30:14下载
- 积分：1
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JSP应用开发指南
jsp应用程序开发指南-jsp Application Development Guide
- 2022-04-06 11:17:22下载
- 积分：1
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header file in visual cpp.this can be used as as support for other files
header file in visual cpp.this can be used as as support for other files
- 2022-04-26 15:40:27下载
- 积分：1
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信息安全4关于密码学
信息安全4关于密码学-4 on information security cryptography
- 2022-12-19 20:00:02下载
- 积分：1
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特殊函数的fortran代码，是书Computation of Special Functions所附源码，将源码放入自己的代码即可...
特殊函数的fortran代码，是书Computation of Special Functions所附源码，将源码放入自己的代码即可-Special functions fortran code, are written Computation of Special Functions source attached to Add their own source code
- 2022-01-26 03:55:47下载
- 积分：1
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这是我们做课程设计的时候频率发生器的一些程序模块,希望对大家有用...
这是我们做课程设计的时候频率发生器的一些程序模块,希望对大家有用-This is what we do when designing courses frequency generator module some of the procedures, we hope to useful
- 2022-05-25 10:41:07下载
- 积分：1
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英文版DSP2407资料，对其功能进行了说明，供大家学习
英文版DSP2407资料，对其功能进行了说明，供大家学习
- 2022-05-29 23:47:52下载
- 积分：1
