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Digital Electronics

Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=0
 Q=D'
 Q=D

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 NAND gate
 NOR gate
 X-OR gate
 X-NOR gate

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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

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

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is added
 0110 is added
 0110 is subtracted
 0011 is subtracted

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 NOR has got a bubble at its output terminal
 OR has got a bubble at its output terminal
 OR is more squared than NOR
 OR is more oval than NOR

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Digital Electronics
Fastest memory element is

 RAM
 ROM
 Hard Drive
 Cache

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MORE MCQ ON Digital Electronics

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