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This textbook provides a comprehensive introduction to telecommunications systems and computer networks. It covers fundamental principles, network architectures, communication protocols, and emerging technologies. Designed for students, instructors, and professionals, the book emphasizes clarity and practical understanding, with examples, illustrations, and exercises to reinforce learning. The second edition updates the material to reflect technological developments and modern network practices.

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245: $a: Communications Systems and Networks, Second Edition
245: $b:
082: $a:
100: $a: Ray Horak
650: $a: Telecommunication Systems
250: $a:
440: $v:
250: $b: MAT Books, an imprint of Hungry Minds, Inc.
250: $c: 2000
020: $a: 0-7645-7522-8
300: $a: 697