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Outline

1	Chapter 9 Communications and Networks
2	Chapter 9 Objectives
3	Communications What are computer communications?
4	Communications What is needed for successful communications?
5	Uses of Computer Communications What are some uses of communications technology?
6	Uses of Computer Communications What are Internet telephony and Internet printing?
7	Uses of Computer Communications What are Web services?
8	Uses of Computer Communications What are collaboration and groupware?
9	Uses of Computer Communications What are public Internet access points and cybercafés?
10	Uses of Computer Communications What is a global positioning system (GPS)?
11	Uses of Computer Communications What are voice mail and wireless messaging services?
12	Networks What is a network?
13	Networks What is a local area network (LAN)?
14	Networks What is a wide area network (WAN)?
15	Networks What is a client/server network?
16	Networks What is a peer-to-peer network?
17	Networks What is Internet peer-to-peer (P2P)?
18	Networks What is a bus network?
19	Networks What is a ring network?
20	Networks What is a star network?
21	Networks What are Ethernet and token ring?
22	Networks What are TCP/IP and 802.11?
23	Networks What is Bluetooth?
24	Networks What are IrDA, RFID, and Wireless Applications Protocol (WAP)?
25	Networks What is an intranet?
26	Communications Software What is communications software?
27	Communications Software What is an example of communications software?
28	Communications Over the Telephone Network What is the public switched telephone network (PSTN)?
29	Communications Over the Telephone Network What is a dial-up line?
30	Communications Over the Telephone Network What is a dedicated line?
31	Communications Over the Telephone Network What is an ADSL (asymmetric digital subscriber line)?
32	Communications Devices What are examples of communications devices?
33	Communications Devices What is a dial-up modem?
34	Communications Devices What are ISDN and DSL modems?
35	Communications Devices What is a cable modem?
36	Communications Devices What is a network card?
37	Communications Devices What is a wireless access point?
38	Communications Devices What is a router?
39	Communications Devices What is a hub?
40	Home Networks What is a home network?
41	Communications Channel What is a channel?
42	Communications Channel How is a request sent over the Internet using a communications channel?
43	Physical Transmission Media What is physical transmission media?
44	Physical Transmission Media What are twisted-pair cable and coaxial cable?
45	Physical Transmission Media What is fiber-optic cable?
46	Wireless Transmission Media What is wireless transmission media?
47	Wireless Transmission Media What are broadcast radio and cellular radio?
48	Wireless Transmission Media What is a microwave station?
49	Wireless Transmission Media What is a communications satellite?
50	Summary of Communications and Networks