Explain the use of excess-3 code.

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how profibus transfer data?

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why we use visible spectrum for FSO (free space optic),although it seems strange that when we have to communicate in urban areas then too much light will be in atmosphere for the sake of communication.

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What is current commutation?

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why we use -48V in nokia BTS

0 Answers   TNS,

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Difference between mobile and a cell phone.

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what is a E1?

2 Answers  

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why current flow through conductor not insulator

3 Answers  

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HI FRANDS , ANY ONE SUGGEST ME THE INTERVIEW QUESTION OF NHPC

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what is hold time for flip flop?

2 Answers  

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hi.. i m a fresher in ECE 3rd yr how 2 face the campus placement in any mnc company and what to prepare please mail me in detail.

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what's the cut in voltage for a led?

4 Answers   Infosys,

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