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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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linux中Makefike中文手册,对于Linux开发有很大参考价值.
linux中Makefike中文手册,对于Linux开发有很大参考价值.
- 2023-04-11 19:30:04下载
- 积分:1
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《Head First Java》是本完整的面向对象(object
《Head First Java》是本完整的面向对象(object-oriented,OO)程序设计和Java的学习指导。此书是根据学习理论所设计的,让你可以从学习程序语言的基础开始一直到包括线程、网络与分布式程序等项目。最重要的,你会学会如何像个面向对象开发者一样去思考。
- 2022-03-26 19:20:49下载
- 积分:1
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输入企业备选协作研发合作伙伴的指标值,然后就可以输出备选合作伙伴的资质打分,我们可以根据这一打分由高到低进行选择。...
输入企业备选协作研发合作伙伴的指标值,然后就可以输出备选合作伙伴的资质打分,我们可以根据这一打分由高到低进行选择。-Enter the corporate alternative R
- 2022-03-02 16:14:00下载
- 积分:1
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wince开发基础:主要内容包括:基于wince的pocket pc平台的开发,如何编写wince结构的应用程序,如何编写wince的数据库程序...
wince开发基础:主要内容包括:基于wince的pocket pc平台的开发,如何编写wince结构的应用程序,如何编写wince的数据库程序-wince development based on: the main contents include: Based on the pocket pc platform wince development, how to write wince structural applications, how to write the wince database program
- 2022-07-27 07:50:58下载
- 积分:1
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Required Advanced SQL secretary, said it is strongly recommended
SQL进阶必备的书记,强烈推荐 讲的实在-Required Advanced SQL secretary, said it is strongly recommended
- 2022-03-13 23:16:39下载
- 积分:1
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on the C programming.
关于C语言编程。
- 2022-05-16 19:22:15下载
- 积分:1
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很好的串口项目程序,对初学串口编程很有帮助!
很好的串口项目程序,对初学串口编程很有帮助!-Serial project a good program, very helpful for beginners serial programming!
- 2022-03-18 21:09:39下载
- 积分:1
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Microsoft ADO 程序员参考
Microsoft ADO 程序员参考-Microsoft ADO programmers reference
- 2022-02-22 07:51:33下载
- 积分:1
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希望我提供的代码对大家有帮助
希望我提供的代码对大家有帮助-I hope for the code to be helpful
- 2022-07-03 17:45:49下载
- 积分:1