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Digital Electronics

Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  255.
 256.
 16.
  8.

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Digital Electronics
The NOR gate is OR gate followed by ___________.

NOT gate
None of these
AND gate
NAND gate

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n-1
2n
2n

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m
 2m+1
 2m-1

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Assignment
State Minimization
State Evaluation
State Reduction

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 01110011
 00001100
 00000011

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