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热烈欢迎 “国培计划” 2011 小学信息技术班的 各位学员 PowerPoint PPT Presentation


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热烈欢迎 “国培计划” 2011 小学信息技术班的 各位学员. 学高为师 身正为范 师者,所以传道受业解惑也 立德树人 教书育人. 信息网络环境下的教育教学变革与小学信息技术教育 谢阳群 淮北师范大学. [email protected] [email protected] 15305618915. 1 信息网络环境 1.1 环境 1.1.1 环境的含义 ● 环境 是人们赖以生存和发展的空间和时间

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热烈欢迎 “国培计划” 2011 小学信息技术班的 各位学员

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2011

2011


2011


2011


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[email protected]

[email protected]

15305618915


2011

1

1.1

1.1.1

()()


2011

1.1.2


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2011

1.1.3


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1.2

1.2.1

/


2011

1.2.2


2011


2011

1.2.3


2011

1.2.4

1.2.4.1

LAN)

MANWANLAN

WANLANMANInternetLANWAN


2011

1.2.4.2

InternetTCP/IP


2011

Intranet

Extranet


2011

1.2.5 Internetinternet

Internet TCP/IP

internet


2011

1.2.6 (World Wide Web WWWW3Web)


2011

1.2.7

2060


2011

2060


2011

1981 (ISO)LOSI/RM

TCP/IP


2011

ATMISDN


2011

1.2.8

19861993

1989 9 NCFC


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19941996

1994 1 4 NCFC Sprint 64Kbps


2011

1994 4ChinaGBnetChinaNetCERnetCSTnet

199620


2011

1997

1996 ICP IP


2011

1997 CNNIC

1999


2011

CNNIC

CN

1 1997.10.31 6229.94066 25

2 1998.06.30 117.5 54.29415 46

3 1998.12.31 210 74.718396 63

4 1999.12.05 400 146 2.9 256

5 2000.01.18 890 3504.8 666

6 2000.07.27 1690 6509.9 1176

7 2001.01.17 2250 89212.2 1543

8 2001.07.17 2650 100212.8 1793

9 2002.01.15 3370 125412.7 2133

10 2002.07.22 4580 161312.6 200 2682

11 2003.01.16 5910 208317.9 660 4080

12 2003.07.21 6800 2572 25 980 4501

13 2004.01.15 7950 3089 34 1740 4916


2011

CN

14 2004.07.20 8700 363038 3110 5155

15 2005.01.19 9400 4160432077 4280 5240

16 2005.07.21 10300 4560622534 5300 4950

17 2006.01.17 11100 49501096924 6430 5100

18 2006.07.19 12300 5450119061 77700 4750

19 2007.01.23 13700 59401803393 9070 3900

20 2007.07.18 16200 67106150000 122003160

21 2008.01.17 21000 78009000000 163002338

22 2008.07.24 2.53 847011900144 2.14

23 2009.01.13 2.98 13572326 2.70

24 2009.07.16 3.38 1296 3.20

25 2010.01.15 3.84 1346 3.46

  • 2010.07.15 4.202.77 1121 3.64

  • 2011.1.19 4.573.03 866 4.5

  • 2011.07.15 4.853.18 786 3.9


2011

2011 64.85

20102770


2011

20116

3.9098.8%2010

840


2011

2011 63.182010

1495


2011

201174.0%

65.5%46.2% 2010

4.4

0.5%1.0%


2011

2011 91.3%

26.7%33.0% 14.8% 2010

2.1

35.7%26.7%9


2011

20-29

50

20105.8%7.2% 10-19

27.3% 26.0%


2011

2011

2010

41.2% 43.8%58.9%

56.1%


2011

29.9%

1.7%

2.4%

0.8%

4%

10.9%

8.7%

4.8% 3.6%

5.3%/

14.6%


2011

2011 6 1.31

27% 2010 4.9%


2011

2011

79.6%

79.4%

78.7%

74.7%

/65.5%

208.9%125.0%11.7%


2011

2010.122011.6


2011

1.2.9

1.2.9.1


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1.2.9.2

TCP/IP


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1.2.9.4


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1.2.9.2


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2011


2011


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1.3

1.3.1


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1.3.1.1

N.


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informationaboutreality

informationforreality

informationasreality


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2

3


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2011

1.3.1.2

matterobject


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2011

1.3.1.3


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1.3.1.4


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1.3.2

1.2.1

1.2.2


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1.3.3


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1.3.3

1.3.3.1


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1.3.3. 2


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1.3.3. 3


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1.4

1.4.1


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1.4.2

1.4.3


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1.5

1.5.1


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1.5.2


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1.5.3


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3


2011

1.6

1.6.1


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1.6.2

1.6.2.1


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1.6.2.2


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1.6.2.3


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1.7


2011


2011

1.8


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2

2.1


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2.2

2.2.1


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2.2.2


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2.2.3


2011


2011


2011

2.3

2.3.1


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2.3.2

Wissenschaftscience


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2.3.3


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2.3.4


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2.4


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2.5

2.5.1


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2.5.2


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2.5.3


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2.5.4


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2.6

2.7


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2.8

2.8.1


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2.8.2


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3

3.1


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3.2


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3.3


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4


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IT


2011


2011


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