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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 111110
 110101
 101011
 011111

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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

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

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Digital Electronics
The NOR-NOR realization is equivalent to

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

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When any input is HIGH
 When all input is LOW
 When any input is LOW

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Digital Electronics
Which of the following gate is a two-level logic gate

OR gate
NAND gate
EXCLUSIVE OR gate
NOT gate

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

  5.85 mV.
 10 mV.
  6 mV.
 5 mV.

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