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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 NAND gate
 X-OR gate
 NOR gate
 X-NOR gate

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

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

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Digital Electronics
Which one of the following is 2’s complement of -68?

 00111100
 11000100
 01111100
 10111100

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

AND gate
None of these
NOT gate
OR gate

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Digital Electronics
An any or all gate is the other name of

 AND gate
 X-OR gate
 OR gate
 X-NOR gate

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17067
 17607
 10767
 17670

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