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Digital Electronics

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

 AND
 NAND
 X-NOR
 NOR

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Digital Electronics
Which of the following is a digital device

 Resistance of a material
 Microphone
 Light switch
 Regulator of a fan

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Digital Electronics
How many input and output required for multiplexer ?

 Many input and one output
None of these
 One input and many output
 One input and one output

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

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Digital Electronics
The time required for a gate to change its output is called as

 start time
 Decay time
 propagation time
 run time

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 6
 < 25
 < 12
 < 20

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MORE MCQ ON Digital Electronics

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