Answer / allanki sanyasi rao

In the time domain, voltage or current is expressed as a function of time.
Signals can also be represented by a magnitude and phase as a function of frequency.
Frequency domain representations are particularly useful when analyzing linear systems.
when we want to know frequency components of a signal we go for frequency domain analysis.

Define diffusion current in a semiconductor.

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I heard that Apple's laptop usese micro controler whereas others use microprocessors... i learnt tat.. micro controller is nothing but an association of microprocesor with other elements like temperature sensor,timer etc...can anyone explain me this much more in simpler words...

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What is dma controller?

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y neutal is required for 3 phase. neutral carrys only current or voltage. in 3 phase circuits.

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Sir, I wish to appear for the written test in the year 2009. But i have no syllabus on the basis of that the exam was held. So if you kindly give me the syllabus,it's easy for me to be prepared. I have already registered through online,and that no is 10857

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Explain why nand-nand realization is preferred over and-or realization?

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What are integrated devices?

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What are digital electronic flip flops, state the different types of flip flop and their uses?

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Waht is polarization,explain verical and horizantal?

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