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Chapter 8 Communications and Networks

Chapter 8 Objectives. Discuss the components required for successful communications. Describe uses of computer communications. Differentiate among types of networks. Explain the purpose of communications software. Describe various types of lines for communications over the telephone network. Describe commonly used communications devices.

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Chapter 8 Communications and Networks

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    1. Chapter 8 Communications and Networks

    2. Chapter 8 Objectives

    3. Communications What are computer communications?

    4. What is needed for successful communications? Communications

    5. Uses of Computer Communications What are some uses of communications technology?

    6. Uses of Computer Communications

    7. Uses of Computer Communications What are wireless messaging services?

    8. Uses of Computer Communications What are wireless Internet access points and cybercafés?

    9. Uses of Computer Communications What is a global positioning system (GPS)?

    10. Uses of Computer Communications What are collaboration and groupware?

    11. Uses of Computer Communications What are voice mail and web services?

    12. Networks What is a network?

    13. Networks What is a wide area network (WAN)?

    14. Networks What is a client/server network?

    15. Networks What is a peer-to-peer network?

    16. Networks What is Internet peer-to-peer (P2P)?

    17. Networks What is network topology? Layout of devices in a network Popular topologies are bus, ring, and star Bus network All computers and devices connect to a single central cable, or bus

    18. Networks What is a ring network?

    19. Networks What is a star network?

    20. Networks What is an intranet?

    21. Networks What are Ethernet and token ring?

    22. Networks What are TCP/IP and 802.11 (Wi-Fi)?

    23. Networks What is Bluetooth?

    24. Network Communications Standards What are UWB, IrDA, RFID, WiMAX, and Wireless Applications Protocol (WAP)?

    25. Communications Software What is communications software?

    26. Communications Over the Telephone Network What is the public switched telephone network (PSTN)?

    27. Communications Over the Telephone Network What is a dial-up line?

    28. Communications Over the Telephone Network What is a dedicated line?

    29. Communications Devices What is a communications device?

    30. Communications Devices What is a dial-up modem?

    31. Communications Devices What are ISDN and DSL modems?

    32. Communications Devices What is a cable modem?

    33. Communications Devices What is a wireless modem?

    34. Communications Devices What is a network card?

    35. Communications Devices What is a wireless access point?

    36. Communications Devices What is a router?

    37. Home Networks What is a home network?

    38. Communications Channel What is a channel?

    39. Communications Channel How is a request sent over the Internet using a communications channel?

    40. Physical Transmission Media What are twisted-pair cable and coaxial cable?

    41. Physical Transmission Media What is fiber-optic cable?

    42. Wireless Transmission Media What is wireless transmission media?

    43. Wireless Transmission Media What are broadcast radio and cellular radio?

    44. Wireless Transmission Media What is a microwave station?

    45. Wireless Transmission Media What is a communications satellite?

    46. Summary of Communications and Networks

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