IT Governance, Risk, and Compliance

Sep 20 2012   1:09AM GMT

A Few Fundamentals of Networking Electronically Encoded Data – Part III



Posted by: Robert Davis
Tags:
Central Processing Unit
Configuration Management
CPU
ICT
Information Communication Technology
IT Architecture
IT Configuration
Multiplexor
Risk Management
Service Delivery
Token
Transport Mode
Tunnel Mode
Virtual Private Network

Packet assembly and disassembly between telecommunication links

Input or output (I/O) channels are paths along which datum are transmitted to and from primary storage. These communication channels also handle the transfer of datum to and from I/O devices. As a result, this function can relieve the Central Processing Unit (CPU) of responsibility for data transfers to and from I/O devices, increase the number of input and output operations that can be performed simultaneously and reduce the time a CPU must wait for datum to arrive from, or sent to, an I/O device.

A common IT transmission technique for telecommunications is multiplexing. Multiplexing is the process of transmitting multiple (but separate) signals simultaneously over a single channel or line. The two main types of multiplexing methods are time-division multiplexing (TDM) and frequency-division multiplexing (FDM). Because the signals are sent in one complex transmission, the receiving end has to separate the individual signals through de-multiplexing.

View Part I of the A Few Fundamentals of Networking Electronically Encoded Data series here

 

Post Note: “A Few Fundamentals of Networking Electronically Encoded Data – Part III” was originally published through Suite101.com under the title “A Few Fundamentals of Networking Electronically Encoded Data”

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