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Digital Electronics

Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NOR
 NAND
 AND
 X-NOR

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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

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

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 01, 10, 11)
(00, 10, 01, 11)
(00, 01, 11, 10)
(00, 10, 11, 01)

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Digital Electronics
The decimal number 0.246 in binary is

 0.001101
 0.011011
 0.010111
 0.001111

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 AND gate
 X-NOR gate
 X-OR gate

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  S-R FF.
  J-K FF.
  T FF.
  D FF.

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