Telecommunications and Networks Communications



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Open Systems


Chapter 6 Telecommunications and Networks


  • Open systems use common standards for hardware, software, applications, and networks
    • Internet networking technologies are a common standard for open systems
  • Connectivity
    • Open systems provide greater connectivity and network interoperability
    • Middleware may be needed to help diverse systems work together

Digital Network Technologies


Chapter 6 Telecommunications and Networks


  • Telecommunications are being revolutionized by switch from analog to digital
    • Analog: voice-oriented transmission
    • Digital: discrete pulse transmission
  • Benefits
    • Higher transmission speeds
    • Moves larger amounts of information
    • Greater economy and much lower error rates
    • Transmits multiple types of communications (data, voice, video) on the same circuits

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