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Digital Electronics

Digital Electronics
An any or all gate is the other name of

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

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NOR
 NAND
 X-NOR
 X-OR

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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
9’s complement of 52784630 is

 57316379
 47215369
 48225469
 58326479

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 1001
 0011
 1000

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 1
 4
 2
 3

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