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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



  • 141

  • 60X2+3X7=141


  • 241


-

1946

18


, 7

Digit


7


2.3



CPU


2.3


9+93=

93=3

9+93=

93=3


93=3

9+3=12

9+3=12

9+3=12

9+3=12


17


1674

1700

17



1817


(1642)


1674


1822


1934


1936


(1930)


1941Z-3


194312


Mark152.431.5300015800323230.36

Mark

K.Zuse


1946ENIAC


1946-1958


1946214 ENIAC ENIAC1746872007000010000 6000502.75170 301747

ENIAC50003/100010 Mark 100020ENIAC


1946214


19471223


1954AT&TTRADIC

1960IBM7000 IBM7090IBM70919601964


35

4

20195926

IC

1959730

1964

G. Moore

18


1958-1964


1964-1971


71


196447

IBM

IBM

50

---IBM360

IBM360

360

360

360

IBM


1960

CDC

1

CRAY-12

Cray-23

Gray-3

12

160


1971 4004

44 44386486

19724 8008197588080 80804800298080

1974



CPU

  • CPU(Central Process Unit)

  • http://baike.baidu.com/view/2089.htm



  • Memory

  • RAMROMCACHE

  • WORD

  • http://baike.baidu.com/view/1082.htm


RJ45

PS/2

USB

PS/2

USB

VGA


Graphics

  • AMD(ATi)NvidiaIntelVIASIS

  • http://baike.baidu.com/view/2882.htm


  • [power supply;power source]

  • 5V-5V+12V-12V+3.3V

  • http://baike.baidu.com/view/13542.html?tp=0_11


  • Hard Disc Drive HDDFLASH

  • http://baike.baidu.com/view/4480.htm



1981

IBM

1981812IBM

IBM PC

IBM PC64KB

5


3D


Internet

LANLocal Area

Network

WANWide Area Network

Internet


-


1938C. Shannon

G.Boole


J.Von Neumann ENIAC

19456 101101


19126238 1931

1936


195010

1954 421956


19259

1950

ERA11011957CDC1972


PC

1937

IBM

70

IBM

1980

IBMIBM PC IBM PC/XTIBM PC/ATIBMPC


19551028

13

1973

19

19881-20361999850,50


IBM PCMS-DOSIBM PCPCMS-DOS3000MS-DOS

80Windows


-


CAD

CAD


-

20


-269

1962


0.1(100)0.10.35(350)

DNA

()


2050198619901

1990


DNA

199411

DNA

DNA

DNA

DNA

1DNA

1DNA


010101



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