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Digital Electronics

Digital Electronics
Which of the following operations is commutative but not associative?

 AND
 NAND
 X-OR
 OR

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 All inputs are LOW
 The inputs are equal
 All inputs are HIGH

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

AND gate
NOT gate
None of these
OR gate

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NOR-NOR realization
 NAND-NAND realization
 NAND-NOR realization
 NOR-NAND realization

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Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NOR-NOR realization
 NOR-NAND realization
 NAND-NOR realization
 NAND-NAND realization

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