bai21 lop10
TRANSCRIPT
- 1. TIN HC LP 10 - CHNG IV BI 21: MNG THNG TIN TON CU INTERNET ( tit 1) GV: ON VN HNG 1
- 2. Ni Dung 1. Internet 2. Nhng cch kt ni internet 3. Cch thc giao tip trong mng internet 2
- 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. 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. Tr chuyn trc tuyn Chia s v lu tr ti liu 5
- 6. Tm kim thng tin Th in t 6
- 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
- 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. http://vi.wikipedia.org/wiki/Internet 10
- 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. 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. 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. 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. 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. 2. Nhng cch kt ni internet Kt ni internet qua ng truyn hnh cp 16
- 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. 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. 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. ADSL 20
- 21. 3G 21