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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 AND-NOR
 XNOR
 NOR
 XOR

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 001000
 101001
 0001111
 100111

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 X-OR
 NAND
 OR

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
NOT operation
OR operation
AND operation

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Digital Electronics
A flip flop is a _______ circuit.

 Sequential
 Both A and B
 Combinational
 None

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

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