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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
 one
 four
 three

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Digital Electronics
The 2s complement of 17 is

 101110.
 110001.
  101111.
 111110.

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Digital Electronics
In decimal number system what is MSD

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

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Digital Electronics
Temperature variation is a/an

 Analog quantity
 Either Digital or Analog quantity
 Digital quantity
 None

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 cyclic codes
 sequential codes
 self-complementing codes
 BCD codes

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=D'
 Q=0
 Q=D

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