what is the difference between NOPE and HLT instructions in 8085?

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In micro controller individual pin output current is 1.6ma .Normally to blink a led we need minium 10-12 ma. But if we connect led to the micro controller pins without additional device it blinks. How it is possible

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What is scada

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pls. send me 10 years modle papers for the post of section engg. (E&C) in rrb ajmer, at my mail id i.e. praveen.yugal@gmail.com.

0 Answers   Nokia,

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Sir, I hav applied for the post of sec. engg in RRB in telecom-sigal domain. Can u suggest hows the question pattern. Do I hav 2 follow technical books or general aptitude books ?

2 Answers   BSNL,

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Give an Example for negative feedback and positive feedback?

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Is it possible to isolate a drive by installing a offline ups and also drive should be protected during normal power supply availability and is the use of isolation transformer necessary.

0 Answers   APC,

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Consider a fixed subnet partition of a class B network number that will accommodate at least 76 networks. How many hosts can be on each network? Also mention how you calculated that.

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A FREQUENCY CATCHER AND SIGNAL BREAKER AND UNKNOWN FREQUENCY SENDING DEVICE MADE BY ME.DO YOU CALL IT AMAZING INVENTION THAT BLOW DRONE IN 1 SECOND?

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How can the race-around problem be solved?

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Explain the difference between fixed-bias circuit & self-bias circuit?

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Wats da diff b/w ithernet communication and profibus communication?

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