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Digital Electronics

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

NOT gate
None of these
OR gate
AND gate

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Digital Electronics
A three-state buffer has the following output states

 Both A and B
 1, 0, float
 High, Low, Float
 Set, Reset, Halt

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an AND or an X-NOR
 an X-OR or an X-NOR
 an OR or a NAND
 a NAND or a NOR

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Digital Electronics
A combinational circuit can be designed using only

 AND gates
 OR gates
 OR and X-NOR gates
 NOR gates

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

 NAND
 NOR
 AND
 X-NOR

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-NOR
 X-OR
 NAND
 NOR

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MORE MCQ ON Digital Electronics

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