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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 NAND gate
 NOR gate
 X-OR gate
 OR gate

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Digital Electronics
A debouncing circuit is

An astable MV
A monostable MV
A latch
A bistable MV

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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.
  Parallel.
 Inclined at 30°.

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Digital Electronics
Which of the following is not a transmission medium?

 Telephone lines.
 Coaxial cables.
  Modem.
 Microwave systems.

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00000001
 01000110
 11000110
 00111001

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

 AND
 XOR
 OR
 NOR

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