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Digital Electronics

Digital Electronics
9’s complement of 52784630 is

 47215369
 58326479
 48225469
 57316379

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 AND, OR, and NOT
 NOR
 NAND
 X-OR

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Digital Electronics
Excess-3 code is known as

Algebraic code
Self-complementing code
Weighted code
Cyclic redundancy code

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (i) and (iii)
 (iii) and (iv)
 (i) and (ii)
 (ii) and (iv)

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

 256.
  8.
  255.
 16.

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Digital Electronics
1’s complement of 17 is

 10001.
 11100.
  01110.
 10111.

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