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Computer Engineering Articles
Page 36 of 36
Cable, ADSL, and Fiber
Definitions Cable − Cable network is a system of providing varied services like television programming, FM programming, Internet and telephone services over existing cable TV network. ADSL − Asymmetric Digital Subscriber Line (ADSL) is a type of broadband communications technology to transmit digital data at a high bandwidth on existing phone lines to homes and businesses. Fiber − Fiber or Fiber to the home (FTTH) is a technology to deploy optical fibers in the local loop of the telephone networks to the users home for providing high-speed data connectivity. Comparisons Wires Cable − They use the copper coaxial ...
Read MoreNetwork Physical Layer
The network physical layer is the lowest network layer in the Open System Interconnections (OSI) model. The primary concern of this layer is transmission of individual bits from one node to another over a physical medium. In TCP/IP model, the physical layer and the data link layer are combined as the host - to - network layer. Physical Layer in the OSI Model The Open System Interconnections (OSI) model is a layered networking framework that conceptualizes how communications should be done between heterogeneous systems. The physical layer is its lowest layer. The following diagram depicts the position of the physical ...
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