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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 AND
 X-NOR
 NAND

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Digital Electronics
Positive integers must be represented by

 unsigned number
 Both A and B
 None of these
 signed numbers

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Digital Electronics
A 16-square eliminates

 3 variables
 8 variables
 2 variables
 4 variables

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 OR, NOR
 NAND, AND
 AND, NAND
 NOR, OR

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

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Digital Electronics
The NOR gate can function as a NOT gate if

 one input is set to 0
 one input is set to 1
 all inputs are connected together
 inputs are left open

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