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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A.B
 A + B
 A - B
 A & B

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Digital Electronics
Switching circuits are

 none of these
 hybrid circuits
 digital circuits
 analog circuits

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

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

 0.09760.
  0.01220.
 0.04882.
  0.02441.

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Digital Electronics
The NAND-NAND realization is equivalent to

 OR-AND realization
 AND-OR realization
 NOT-OR realization
 AND-NOT realization

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -7, -7 and -7 respectively
 25, 9 and 57 respectively
 -6, -6 and -6 respectively
 -25, -9 and -57 respectively

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