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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 X-OR
 NOR
 OR

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53F
G52F
F52E
F53O

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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 four
 three
 two
 one

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Digital Electronics
In a T flip-flop no of input circuit is

 3
 1
 2
 4

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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
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 SR flip-flop
 T flip-flop
 Shorted JK flip-flop
 K flip-flop

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