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Digital Electronics

Digital Electronics
X OR X' will result

 1
 0
 X'
 X

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 4
 2
 0
 1

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be positive
 must necessarily be negative
 may be negative or positive
 must necessarily be 0 V and –5 V

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 16
 7
 15
 4

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Digital Electronics
The NOR-NOR realization is equivalent to

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

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 16
 8
 12
 4

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