8/18/2019 Question on Data Communication

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Question on Data communicationAttempt all questionsQ1.Defne data communication .Identiying fve components o datacommunication .And write down any three characteristics o data communication.[1+.!+1.!"Q.. write down the statement o #hannon capacity theorem and nyquist theorem.

$e need to send !1 %&ps over a noiseless channel with a &andwidth o '%h( . )ow many signal levels do we need* [+"Q.$hat does means &y transmission media* ,ist out any our di-erence &etweenguided and unguided media. And write down maor our advantages o optical f&er.[1++"Q/. 0epresent 1'''1'11' digital data in ollowing ormat [!21"

a3 4olar 05 &3 polar 6057, c3 6057I d38anchester e3 A8IQ!. $rite down the steps o converting the analog signal in to digital signalincluding graphical description.[!"