What is mean by Compression technic and its formula? How many types of adaptors are there? How adaptive algorithm works for speech compression using Cosine packet transform?

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Can anyone help me in the interview questions for RVNL site engineer in EC?

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Describe the purpose of knee point voltage for differential protection.

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What does a tristate signal in electronics signify?

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Where are multimode fibers practically used?

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Can we send a digital signal into the air with out modulation? if NO or YES, please give me a answer.

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In a bipolar junction transistor (take it an n-p-n BJT),,in comparison between EMITTER and COLLECTOR ,,who has higher negativity??

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What is meant by commutation?

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I am totally confused where to go whether software orelse hardware field. basically in graduation our lecturer taught only theory knowlege,so its very to for me in which field i should go.

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Define drift current in a semiconductor.

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For explain what vertical and horizontal plates are provide in a cro?

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Write two characteristics of combinational circuits.

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