1. 1. TIN HC LP 10 - CHNG IV BI 21: MNG THNG TIN TON CU INTERNET ( tit 1) GV: ON VN HNG 1
2. 2. Ni Dung 1. Internet 2. Nhng cch kt ni internet 3. Cch thc giao tip trong mng internet 2
3. 3. 1. Internet Khi nim internet: Mng my tnh khng l kt ni hng triu my tnh, mng my tnh trn ton th gii S dng b giao thc chung TCP/IP ( Transmission Control Protocol/ Interntet Protocol ) 3
4. 4. 1. Internet Nhng li ch ca internet Gii tr Tr chuyn trc tuyn Chia s v lu tr ti liu Tm kim thng tin Th in t Mua bn online S dng internet lm g ? 4
5. 5. Tr chuyn trc tuyn Chia s v lu tr ti liu 5
6. 6. Tm kim thng tin Th in t 6
7. 7. 1. Internet Nhng tc hi ca Internet: Nghin game online Vn ha khng lnh mnh La o qua mng Thng tin b nh mt 7
8. 8. 8
9. 9. 1. Internet Lch s pht trin: Internet c thit lp nm 1983 v khng ngng pht trin theo thi gian Khng ai l ch s hu ca internet Internet c ti tr bi cc chnh ph, cc c quan khoa hc v o to 9
10. 10. http://vi.wikipedia.org/wiki/Internet 10
11. 11. 2. Nhng cch kt ni internet a, S dng mem qua ng in thoi: My tnh cn c ci t mem qua ng in thoi Ngi dng cn k hp ng vi nh cung cp dch v internet c cp quyn truy cp ( tn truy cp, mt khu, s in thoi truy cp ) 11
12. 12. 2. Nhng cch kt ni internet a, S dng mem qua ng in thoi: Chi ph t tm km nhng tc thp Khch hng khng cn tr tin thu bao Internet nhng s phi thanh ton chi ph in thoi v Internet khi kt ni Inetrnet, c hai chi ph ny u c tnh theo thi gian s dng. ph hp cho ngi t s dng internet v thng ch dng gi/nhn th in t hoc s dng Fax. 12
13. 13. 2. Nhng cch kt ni internet b, S dng ng truyn ring Ngi dng thu mt ng truyn ring kt ni t my ca mnh ti nh cung cp dch v Kt ni bng ng truyn ring thng s dng cho mng LAN. Mt my tnh ( my y quyn ) trng mng LAN qun l quyn truy cp ca cc my khc trong mng Chi ph cao nhng m bo tc ng truyn cao v n nh 13
14. 14. 2. Nhng cch kt ni internet c, Mt s phng thc kt ni khc S dng ng truyn ADSL ( Asymmetric Digital Subcriber Line) Tc ng truyn cao Chi ph ph hp v c nhiu ngi s dng 14
15. 15. 2. Nhng cch kt ni internet Cng ngh khng dy Phng thc kt ni mi nht, thun tin nht. Kt ni internet mi lc, mi ni thng qua cc thit b kt ni nh in thoi, laptop, my tnh bng 15
16. 16. 2. Nhng cch kt ni internet Kt ni internet qua ng truyn hnh cp 16
17. 17. 3. Cc my tnh trong internet giao tip vi nhau bng cch no? Cc my tnh trong internet hot ng v trao i thng qua b giao thc truyn thng TCP/IP TCP/IP l tp hp cc quy nh v khun dng d liu v phng thc truyn d liu gia cc thit b Thng qua giao thc TCP/IP d liu gi i c chuyn thnh cc gi tin c nh s th t v khi n my nhn cc gi tin ny c tp hp li theo ng th t ban u 17
18. 18. 3. Cc my tnh trong internet giao tip vi nhau bng cch no? Ni dung gi tin bao gm: a ch nhn, a ch gi D liu, di Thng tin kim sot li v cc thng tin dch v khc 18
19. 19. 3. Cc my tnh trong internet giao tip vi nhau bng cch no? Lm th no gi tin n ng ngi nhn ? Mi my tnh khi tham gia vo mng Internet c a ch duy nht, c gi l a ch IP. a ch ny c c lu hnh trong mng internet di dng 4 s nguyn, phn cch vi nhau bi du chm (.) VD: 192.168.32.1 19
20. 20. ADSL 20
21. 21. 3G 21