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Digital Electronics

Digital Electronics
Switching circuits are

 analog circuits
 none of these
 hybrid circuits
 digital circuits

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

NOT gate
AND gate
None of these
OR gate

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Digital Electronics
A binary number system is of base ________

 1
 2
 10
 4

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Digital Electronics
An X-OR gate gives a high output

 if the decimal value of digital word is even
 if it has even number of 0s
 if there are odd number of 1s
 for odd decimal value.

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Digital Electronics
The NOR-NOR realization is equivalent to

 NOT-AND realization
 AND-OR realization
 OR-NOT realization
 OR-AND realization

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

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