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Digital Electronics

Digital Electronics
A bubbled AND gate is equivalent to a

 X-OR gate
 NAND gate
 OR gate
 NOR gate

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Digital Electronics
(1D)16 in BCD 8421 code is

 00100100
 00011101
 00011111
 00101001

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Digital Electronics
The inverter is ___________

NOT gate
AND gate
OR gate
None of these

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 NOT
 X-OR
 OR
 AND

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH.
None of these
 the input is HIGH and LOW.
 the input is LOW.

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Digital Electronics
The output of a NAND gate is low

 only when at least one input is low
 only when at least one input is high
 only when all the inputs are low
 only when all the inputs are high

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