Communications and Connectivity
Key Terms
analog signal fax machine polling asynchronous communication port fiber-optic cable protocol asynchronous transmission full-duplex communication ring network bandwidth half-duplex communication RS-232C connector broadband hierarchical network satellite communication bus host computer satellite/air connection services bus network hybrid network serial data transmission cable modem integrated services digital network (ISDN) server client internal modem simplex communication client/server network system local area network (LAN) star network coaxial cable medium band synchronous transmission computer network metropolitan area network (MAN) terminal network system data communications system microwave communication time-sharing system demodulation modulation T1, T2, T3, T4 lines dial-up service network topology digital signal network architecture twisted pair digital subscriber line (DSL) network bridge videoconferencing system distributed processing network gateway voiceband electronic mail network operating system (NOS) voice-messaging system node wide area network (WAN) enterprise computing parallel data transmission wireless modem external modem peer-to-peer network system