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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 NAND gate
 X-NOR gate
 NOR gate
 X-OR gate

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is subtracted
 0011 is added
 0110 is added
 0110 is subtracted

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n – m literals
 n + m literals
 m – 1 literals less than the total number of variables

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Digital Electronics
The parity of the binary number 11011001 is

 same as the number of zeros
 odd
 not known
 even

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Digital Electronics
A bubbled OR gate is equivalent to a

 NOR gate
 AND gate
 X-OR gate
 NAND gate

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