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Digital Electronics

Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 5
 4
 6
 3

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Digital Electronics
What is the difference between xor gate and exor gate.

 both are same
 xor gives one output while exor gives two
 xor and exor are complement of each other
 xor gives two outputs while exor gives one

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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

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

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Digital Electronics
The parity of the binary number 11011001 is

 even
 same as the number of zeros
 not known
 odd

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 4
 8 × 4
 3 × 8

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When all input is LOW
 When any input is HIGH
 When any input is LOW

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