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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 NOR
 OR
 AND
 XOR

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

2n
22n
2n-1
2n

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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.
 Inclined at 30°.
  Parallel.

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Digital Electronics
The only function of NOT gate is to ___________.

Stop signal
Act as a universal gate
None of these
Invert input signal

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Digital Electronics
The NOR-NOR realization is equivalent to

 AND-OR realization
 OR-AND realization
 NOT-AND realization
 OR-NOT realization

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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 subtracted
 0011 is added
 0110 is added
 0110 is subtracted

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