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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 10767
 17067
 17607
 17670

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Digital Electronics
An X-OR gate gives a high output

 if it has even number of 0s
 for odd decimal value.
 if there are odd number of 1s
 if the decimal value of digital word is even

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Digital Electronics
The output of a NOR gate is high

 only when all the inputs are high
 only when all the inputs are low
 only when at least one input is high
 only when at least one input is low

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Digital Electronics
Which of the following is a self-complementing code?

 Gray code
 Hamming code
 cyclic code
 XS-3 code

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Digital Electronics
The effect of stray magnetic field on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are

  Parallel.
 Inclined at 30°.
 Inclined at 60°.
 Perpendicular.

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Digital Electronics
Slowest memory element is

 RAM
 Hard Drive
 ROM
 Cache

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MORE MCQ ON Digital Electronics

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