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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-OR gate
 NAND gate
 X-NOR gate
 NOR gate

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Digital Electronics
Logic circuits are

 analog circuits
 hybrid circuits
 digital circuits
 none of these

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Digital Electronics
In decimal number system what is MSD

 First digit from left to right
 First digit from right to left
 Mean of all digits
 Middle digit

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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
OR-AND realization of a combinational circuit is equivalent to

 NOR-NAND realization
 NAND-NOR realization
 NAND-NAND realization
 NOR-NOR realization

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Digital Electronics
Counter is a

  sequential circuit.
  both.
  combinational circuit.
  none.

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