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Digital Electronics

Digital Electronics
The 1’s complement of 11010111 is

 10101000
 00101000
 10101000
 11101000

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Digital Electronics
2-out-of-5 code is

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

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

2n
22n
2n-1
2n

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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

 sequential codes
 cyclic codes
 BCD codes
 self-complementing codes

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 3
 1
 4
 2

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

  255.
 16.
  8.
 256.

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