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Digital Electronics

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

 two
 three
 one
 four

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 alphanumeric code
 non-weighted code
 weighted code

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor and exor are complement of each other
 both are same
 xor gives two outputs while exor gives one
 xor gives one output while exor gives two

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  10.
 24.
  6.
 12.

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 1023
 9
 32
 129

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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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