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Digital Electronics

Digital Electronics
1s Complement of 11001010 is

 11001011
 11001001
 00110111
 00110101

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Digital Electronics
The NAND-NAND realization is equivalent to

 NOT-OR realization
 OR-AND realization
 AND-NOT realization
 AND-OR realization

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 16
 8
 7
 32

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Digital Electronics
A NAND gate is called a universal logic element because

Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
It is used by everybody
Any logic function can be realized by NAND gates alone

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Digital Electronics
The set of which logic gates is designated as universal gate?

 NOT, OR , AND.
  NOR , NAND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.

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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

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

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