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Digital Electronics

Digital Electronics
A half adder is a ________ circuit.

 Sequential
 None
 Combinational
 Both A and B

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

C & D
A & B
B & C
A & D

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

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

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Digital Electronics
One bit full adder has ________ outputs.

 any number
 2
 4
 3

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 inverter followed by an X-OR gate
 X-OR gate followed by an inverter
 NOT gate followed by a NOR gate
 complement of a 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

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

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