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. - . (dial-up), : . 56 Kbps.

ADSL(Asymmetric Digital Subscriber Line) 9 Mbps 1 Mbps .

ISDN(Integrated Services Digital Network) , . . 384 Kbps.

. 24 . - . .

frame relay. frame relay (" "). : , . "" , . , . frame relay .

. , . -, , . HFC (Hybrid Fiber Coaxial) - . IP (Internet Protocol) .

. .

.

Internet , , . , :

1. Usenet (, ) - c, .

2. FTP - .) FTP , Internet.

3. Telnet - .

4. (e-mail) - .

5. World Wide Web (WWW, Web, ) - , , .

. . : . WWW( , , , , ), IRC- (), , , -. (ICQ, GoogleTalk, ), , , , , , , , , YouTube .

 

(E-Mail) , . - . , , SMTP , , . - . , , .

, DNS : _@__. @ () , . , . @ . , . .

. , .

FTP

FTP . .

. (download, ) - -. (Upload) , .

WWW

, : HTTP, HTML URL. - - HTTP, URI/URL HTML. 1989 , CERN () , - , . , URI, HTTP HTML - - httpd - WorldWideWeb. 1991 - http://info.cern.ch/, .

Wikipedia.

(. World Wide Web ) , HTTP (HyperText Transfer Protocol). WWW:

, , .

- , Internet. - WWW-.

WWW , , , . HTML (Hyper Text Markup Language) , .

WWW , , , .

HTML- - -. Web- , : Internet Explorer, Mozilla Firefox, Opera, Google Chrome. , HTML XML. XML (. eXtensible Markup Language) HTML. CSS, -.

1994 W3C, .

: .

.

. ́ ( . relevant) , .

, , . , . , , , , .

, RDF (. Resource Description Framework), XML. RDFS, RDF.

, . wiki. Wikipedia. Web 2.0, .





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