Understanding data communications : from fundamentals to networking /
Now in its third edition, "Understanding Data Communications", provides a comprehensive introduction to the field of data communications for both students and professionals. Assuming no prior knowledge of the field, it presents an overview of the role of communications, their importance, a...
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| Main Author: | |
|---|---|
| Format: | Electronic eBook |
| Language: | English |
| Published: |
Chichester ; New York :
Wiley,
©2000.
|
| Edition: | Third edition. |
| Subjects: | |
| Online Access: | CONNECT |
MARC
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| 100 | 1 | |a Held, Gilbert, |d 1943- | |
| 245 | 1 | 0 | |a Understanding data communications : |b from fundamentals to networking / |c Gilbert Held. |
| 250 | |a Third edition. | ||
| 260 | |a Chichester ; |a New York : |b Wiley, |c ©2000. | ||
| 300 | |a 1 online resource (xvi, 852 pages) : |b illustrations, map | ||
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| 505 | 0 | 0 | |t Communications in a Modern Society -- |t Applications -- |t Data collection -- |t Transaction processing -- |t Conversational time sharing -- |t Remote job entry -- |t Message switching -- |t Value-added carriers and electronic mail -- |t Office automation -- |t Electronic commerce -- |t Satellite transmission -- |t Constraints -- |t Throughput -- |t Response time -- |t Bandwidth -- |t Economics -- |t Emerging Trends -- |t Basic Telegraph and Telephone Operations -- |t Evolution of Communications -- |t Telegraphy -- |t Operation -- |t Morse code -- |t Morse code limiations -- |t Start-stop signaling and the Baudot code -- |t Bits and codes -- |t Telephony -- |t Principle of operation -- |t Sound wave conversion -- |t The basic telephone connection -- |t Switchboards and central offices -- |t Numbering plans -- |t Geographic calling areas and network routing -- |t The world numbering plan -- |t Basic Circuit Parameters, Measurement Units and Media Overview -- |t Basic Circuit Parameters -- |t Frequency and bandwidth -- |t The telephone channel passband -- |t Measurement Units -- |t Power ratios -- |t Signal-to-noise ratio -- |t Reference points -- |t Media Overview -- |t Twisted-pair cable -- |t Coaxial cable -- |t Microwave -- |t Fiber-optic transmission -- |t Channel Capacity -- |t Bit versus baud -- |t Nyquist relationship -- |t Shannon's law -- |t Structured Wiring -- |t The wiring closet -- |t The EIA/TIA-568 standard -- |t Fundamental Data Transmission Concepts -- |t Analog Line Connections -- |t The analog switched line -- |t Analog leased line -- |t Dedicated line -- |t Switched network vs leased line economics -- |t Types of Service and Transmission Devices. |
| 520 | |a Now in its third edition, "Understanding Data Communications", provides a comprehensive introduction to the field of data communications for both students and professionals. Assuming no prior knowledge of the field, it presents an overview of the role of communications, their importance, and the fundamental concepts of using the ISO's 7-layer approach to present the various aspects of networking. This book covers the evolving high speed network access via digital subscriber line, cable modems and wireless communication. It examines the role of regulatory and standardization bodies, the operation of the Internet and the use of a variety of electronic applications. It includes a series of comprehensive questions covering the important concepts from each section, and describes the digital network used by communications carriers and the methods used to obtain access to the digital highway. It also discusses frequency division multiplexing which forms the foundation for the operation of several types of high speed digital subscriber line.; Aimed at the senior level undergraduate and graduate computer science student, this book is also essential reading for data processing professionals and those involved in computer science and data communications | ||
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