Contents Covered:
Unit I: Introduction: Components, Networks, Protocols and standards, Basic Concepts: Line
Configuration, Topology,Transmission mode, analog and digital signals, periodic and aperiodic signals, analog signals, time and frequency domains, composite signals, digital signals.
Unit-2 : Encoding and modulating:
Encoding and modulating: digital –to- digital conversion, analog-to-digital conversion, digital to analog conversion, analog to analog conversion, digital data transmission, DTE-DCE interface, modems, cable modems,transmission media: guided media, unguided media, transmission impairment. Performance, wavelength, Shannon capacity, media comparison.
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