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数字化渗透在生活中 PowerPoint PPT Presentation


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前言. 电子数字计算机是 20 世纪人类最伟大发明之一。短短的几十年,这台机器以迅猛磅礴之势,用非凡的渗透力和亲和力,彻底改变了我们这个星球的模样,融进每个人的工作、学习和生活之中,已在世界范围内形成了一种新的文化,构造了一种崭新的文明。. 数字化渗透在生活中. 一面荷花三面柳 半城山绿半城湖. 乾隆对联. 一次乾隆遇到一位 141 岁 老人,出上联: “ 花甲重开,外加三七岁 ” 要求纪晓岚对下联,纪根据杜甫的 “ 人生七十古来稀 ” 对出下联。 提示:乾隆的表达式为: 60X2+3X7=141.

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数字化渗透在生活中

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20


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  • 141

  • 60X2+3X7=141


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  • 241


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-

1946

18


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, 7

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7


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2.3


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CPU


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2.3


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9+93=

93=3

9+93=

93=3


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93=3

9+3=12

9+3=12

9+3=12

9+3=12


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17


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1674

1700

17


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1817


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(1642)


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1674


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1822


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1934


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1936


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(1930)


1941 z 3

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1946ENIAC


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1946-1958


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1946214


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19471223


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1954AT&TTRADIC

1960IBM7000 IBM7090IBM70919601964


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1964

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1958-1964


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1964-1971


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1960

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1971 4004

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  • WORD

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RJ45

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Graphics

Graphics

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1981

IBM

1981812IBM

IBM PC

IBM PC64KB

5


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3D


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Internet

LANLocal Area

Network

WANWide Area Network

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-


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1938C. Shannon

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J.Von Neumann ENIAC

19456 101101


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19126238 1931

1936


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195010

1954 421956


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19259

1950

ERA11011957CDC1972


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PC

1937

IBM

70

IBM

1980

IBMIBM PC IBM PC/XTIBM PC/ATIBMPC


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19551028

13

1973

19

19881-20361999850,50


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IBM PCMS-DOSIBM PCPCMS-DOS3000MS-DOS

80Windows


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-


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CAD

CAD


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-

20


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-269

1962


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0.1(100)0.10.35(350)

DNA

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2050198619901

1990


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199411

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010101


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