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Kowit
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Kowit

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Transcript

  • 1. 7
  • 2. MANU - - - - - - - - - - - - - - -
  • 3.
  • 4.  Sender) Receiver) Data) Medium) Protocol)
  • 5.  Analog Signal) Sine Wave Hertz)
  • 6.  Digital Signal) Bit Rate
  • 7. MODEM  3 1. 2. 3.
  • 8. 1. Serial port
  • 9. 2.
  • 10. 3. Serial port
  • 11.  2 1. Point-to-point Lease Line) Simplex) Half-duplex) Full-duplex)
  • 12. 2. Multipoint)
  • 13.  Data Transmission   serial data transmission)  parallel data transmission)
  • 14. serail data transmission)
  • 15.  parallel data transmission)
  • 16.
  • 17. 1. Simplex Transmission)
  • 18. Half-Duplex Transmission)
  • 19. 3. Full-Duplex Transmission)
  • 20. 1. Wire Media)  Twisted-Pair Cable)  Coaxial Cable)  Optical Fiber Cable) 2. Wireless Media)  Infrared)  Radio Wave)  Terrestrial Microwave)  Satellite
  • 21. Computer Network )
  • 22.
  • 23.  transmission medium)
  • 24.  hardware)
  • 25.
  • 26. TOPOLOGY)
  • 27. bus topology)
  • 28. ring topology)
  • 29. star topology) hub)
  • 30. 4. (Mesh Topology)
  • 31. 5. Hybrid Topology)
  • 32. 4 1. server
  • 33.  File server  Database Server  Print Server Print Server  Internet Server  Web Server Web Protocol HTTP Website)  Mail Server
  • 34. 2. Workstation) 3. Client 4. Terminal
  • 35. COMPUTING ARCHITECTURE  centralized processing) client/server processing)
  • 36. Local Area Network : LAN) 2. Metropolitan Area Network : MAN) 3. Wide Area Network : WAN)
  • 37. Local Area Network : LAN)
  • 38. Metropolitan Area Network : MAN Lan Wan
  • 39. Wide Area Network : WAN)
  • 40.   Sender) Receiver) Data) Medium) Protocol)
  • 41. Electronic Mail : E-mail) Voice Mail) Facsimile Fax)
  • 42. Conferencing) Video Conferencing Global Positioning Systems : GPSs) Electronic Data Interchange : EDI)
  • 43. http://armka2518.exteen.com/20090116/entry-2 http://ronaldokaa.blogspot.com/

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