wyh IC start with the number 74 like 7432,7400

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what is serial communication??

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Please give the model or previous year question paper for the lecture post in government Engineering College (Electronics and Communication)

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wat will happen to the windings if the required current is not given to a stepper or dc motor , but voltage is constantly applied to it below required current??

0 Answers   Freescale Semiconductor,

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what is protocol exactly called ? when some body ask which protocol u r using example:siemens pg pc interface

1 Answers  

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The processing speed of a microprocessor depends on _____?

0 Answers   Aditi Placement Service,

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importance of defining tg or tf in selecting master and slave bts's?

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sir, pls send me 5 year previous question papers of RRB- Junior Engineer-GrII to my mail id

0 Answers   RRB,

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the pic micro controller have internal oscillator but why we use external oscillator

6 Answers  

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Sparking between contacts can be reduced by inserting a a.) Resistance in the line b.) Capacitor in series with contacts c.) Capacitor in parallel with contacts d.) None

4 Answers   BSNL, TelCom,

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Explain the working of voltage commutated chopper with aid of circuit diagram and necessary waveforms. Derive an expression for its output voltage?

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plz send the rrb junior engg and assistant loco pilot previous quastion papers

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