why is there -48 v DC voltage use in CISCO Router.?? is there any advatage to use this type of negative voltage rather than positive voltage??

1 Answers  

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Explain the design for 8421 to 2421 binary code converter?

0 Answers  

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please tell me about ccna

1 Answers  

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Explain the difference between plc and dcs control system?

0 Answers  

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Given a light which may blink at a random time. There are two players who has to press a button when light blinks. The person who gets 20 pts first is declared as winner. Design FSM for this gaming event.

0 Answers   Qualcomm,

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What are the advantages of pwm control?

0 Answers  

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What is meant by phase controlled rectifier?

0 Answers  

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RF amplifier of an A.M. receiver is normally biased in a.) Class 'A' b.) Class 'b' c.) Class 'C' d.) None

5 Answers   BSNL,

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cdma or gsm which is more complex?

10 Answers   Nokia,

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please send me PHOTON INFOTECH sample placement papers or pattern of the paper.very urgent.

1 Answers  

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MELF - Zener Doide is active component or passive component?

4 Answers  

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State the differences between a flip-flop and a latch?

0 Answers  

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