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Answers to Questions in Data Communications
Posted under Technology
These are basic questions thats most people should know before going into a meeting on the subject.
Compare guided and unguided mediums with examples.
Guided mediums are used for point-to-point connections between two devices while unguided mediums allow signals to be sent out uniformly across multiple areas reaching a wide variety of systems.
Compare and contrast half-duplex and full-duplex communications.
Full-duplex is when multiple systems can send or receive data at one time. Half-duplex only allows one system to either send or receive at one time.
Define a digital signal
Digital signals use bits of data represented by 0s and 1s to transmit data across a medium. They are cheap, easy to implement, and less susceptible to noise, unlike their analog counterpart. They are susceptible to attenuation, however.
Define peak amplitude
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