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Digital Electronics

Digital Electronics
The complement of a function A is

 Ā
 A
 1
 0

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m+1
 2m
 2m-1

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 unstable state
 inverter
 tri-state
 trigger

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 01011101
 11011101
 11011110
 10100010

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Digital Electronics
The time required for a gate to change its output is called as

 start time
 propagation time
 Decay time
 run time

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

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