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Digital Electronics

Digital Electronics
An n variable K-map can have

 n2 cells
 n2n cells
  nn cells
 2n cells

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Digital Electronics
The fast logic family is

  DRL.
  TTL.
  ECL.
  TRL.

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

 OR
 NAND
 NOR
 X-OR

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 01, 11, 10)
(00, 10, 11, 01)
(00, 10, 01, 11)
(00, 01, 10, 11)

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m – 1 literals less than the total number of variables
 m + 1 literals less than the total number of variables
 n + m literals
 n – m literals

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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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