5 5.1 5.2 5.3 5.4

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5.1 5.1.1 5.1.2 5.1.4 5.1.5 5.1.3

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text character

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5.1.1.

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(character)(code)

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ASCII()(American Standard Code for Information Interchange, ASCII)ASCII9632711ASCII 7128

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ASCII

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GB2312 GBKGB18030CNS 11643 (BIG 5)JIS X 0208-90KSC 5601-87

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GB23121980GB2312-1980GB2312682

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GB2312GB231216(2)116

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GB2312GB2312: (6763+682)/65536ASCII

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UCS/UnicodeISOASCIIUCS/Unicode(17x2161,114,112 )UCS/Unicode101,000,

*5.1

GB18030UnicodeUTF-8UTF-16CJKGB2312GBKUCS/Unicode20002005GB18030GB18030UCS/Unicode129ASCII23940GBKGB2312158 UCS/UnicodeGB18030

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: IE

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5.1.2.

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(1), , (2), ABC(3), (4)()

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98%:

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!

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()()

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10ABC()

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5.1.4

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Word

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(text editing)MS Word

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()3

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( , 572) 11/72 ()()Demo1

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()()Demo2

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(undo)(redo)() (wizard)Macro

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?///

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Word 2003()

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: +()

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: : : :

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Web,GoogleYahooAlta VistaInfoseekrobotWebWebURL

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5.1.5 ()

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()/()WordAdobeAcrobat ReaderIE bitmap

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font2

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5.1.3

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( ) .txt

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(Publishing House of Nanjing University) Arial Black HTML (Publishing House of Nanjing University)< >

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.txtOCR().doc.rtf.htm.html.pdf().doc.rtf.htm.html.pdf.hlp()

12GBKGB1803095%90%

OCR98%0.0x %