Understanding Data CommunicationsWhether you're a hobbyist, experimenter, or just curious about electronics, technology, and personal computing, Understanding Data Communications, Fifth Edition, is the perfect guide for you. Written in an easy-to-follow format, this book gives a thorough look at the world of data communications and its impact on our lives. It explores the inner workings of data terminals, transmission channels, fiber optics, and satellites, as well as asynchronous and synchronous modems and interfaces. And, you'll learn how database services, information utilities, and electronic bulletin boards operate. |
Contents
An Overview of Data Communications | 1 |
An Overview of Data Communications | 3 |
Terminal Devices | 14 |
Copyright | |
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Common terms and phrases
64 Kbps adapter card analog applications ASCII bandwidth baud binary BiSync block bytes called capability carrier channel character circuit coaxial cable command compression connection connector CRT terminals data communications data compression data link data rate datagram defined developed devices display EBCDIC enables encoded equipment error detection Ethernet fiber fiber-optic file transfer file transfer protocol flow control format frame relay frequency full-duplex functions header illustrates input interface ISDN ITU-T keyboard LAPB local area network mainframe mainframe computer Mbps modem modulation multiplexer operating rate optical fiber personal computer physical layer port printer protocol pulses Received Data represents routers satellite sequence serial shown in Figure Signal Element standard station switching synchronous technique telephone network teleprinter tion token-ring transmission transmit data voice wire workstations