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Digital Electronics

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

 NAND
 X-OR
 OR
 NOR

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 OR has got a bubble at its output terminal
 NOR has got a bubble at its output terminal
 OR is more squared than NOR

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Digital Electronics
A bubbled OR gate is equivalent to a

 NAND gate
 NOR gate
 AND gate
 X-OR gate

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NOR
 OR
 NAND

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NOR
 X-OR
 OR
 NAND

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

 OR
 AND
 NAND
 X-OR

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