DMRC Electronics Engineering Paper-1 2014

Instructions

For the following questions answer them individually

Question 81

The complement of AB+BC’+CD’ is:

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Question 82

The following expression when simplified will become XY(X’YZ +X’Y’Z’+XY’Z)

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Question 83

In a PCM system of telemetry, the quantization noise depends on:

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Question 84

In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will:

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Question 85

The modulation system inherently most noise resistant is:

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Question 86

Which of the following microphone does not require polarizing current?

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Question 87

The large signal bandwidth of an opamp is limited by its:

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Question 88

In an unclocked R-S flip flop made of NOR gates, the forbidden input condition is:

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Question 89

A phase-locked loop (PLL) is a feedback circuit consisting of a:

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Question 90

A 339 IC is an example of a fourteen-pin DIP that can be made to function as a ________:

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