Chapter 9 Communications and Networks

Chapter 9 Objectives

Communications
What are computer communications?

Communications
What is needed for successful communications?

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

Uses of Computer Communications
What are Internet telephony and Internet printing?

Uses of Computer Communications
What are Web services?

Uses of Computer Communications
What are collaboration and groupware?

Uses of Computer Communications
What are public Internet access points and cybercafés?

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

Uses of Computer Communications
What are voice mail and wireless messaging services?

Networks
What is a network?

Networks
What is a local area network (LAN)?

Networks
What is a wide area network (WAN)?

Networks
What is a client/server network?

Networks
What is a peer-to-peer network?

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

Networks
What is a bus network?

Networks
What is a ring network?

Networks
What is a star network?

Networks
What are Ethernet and token ring?

Networks
What are TCP/IP and 802.11?

Networks
What is Bluetooth?

Networks
What are IrDA, RFID, and Wireless Applications Protocol (WAP)?

Networks
What is an intranet?

Communications Software
What is communications software?

Communications Software
What is an example of communications software?

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

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

Communications Over the Telephone Network
What is a dedicated line?

Communications Over the Telephone Network
What is an ADSL (asymmetric digital subscriber line)?

Communications Devices
What are examples of communications devices?

Communications Devices
What is a dial-up modem?

Communications Devices
What are ISDN and DSL modems?

Communications Devices
What is a cable modem?

Communications Devices
What is a network card?

Communications Devices
What is a wireless access point?

Communications Devices
What is a router?

Communications Devices
What is a hub?

Home Networks
What is a home network?

Communications Channel
What is a channel?

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

Physical Transmission Media
What is physical transmission media?

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

Physical Transmission Media
What is fiber-optic cable?

Wireless Transmission Media
What is wireless transmission media?

Wireless Transmission Media
What are broadcast radio and cellular radio?

Wireless Transmission Media
What is a microwave station?

Wireless Transmission Media
What is a communications satellite?

Summary of Communications and Networks