why odd number of lines used for scanning

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What is the difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?

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two independent random variables x and y are uniformly distributed in the interval [-1,1].the probability that max[x,y] is less than 1/2 is a) 3/4 b)9/16 c)1/4 d)2/3

3 Answers   GATE, Goodrich,

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what is meant by modulation?

5 Answers  

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What are the frequency compensation methods?

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sir iam appearing railway exam 12to 15 times but unfortunately i could not qualify the written examination.can u give some suggestion for how to appear. this examination

2 Answers  

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How are electrons in an atom visualized?

0 Answers   C DAC, CDAC,

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Explain the difference between circuit switching and packet switching?

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Explain how to design binary to gray code converter?

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Why every time that I hit the microphone or when I speak louder the amplifier is switched of?

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in 8051 micro-controller is it must necessary using external oscillator ? shall we continue without oscillator for simple logic purpose?

1 Answers  

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What is the difference between binary code and bcd?

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