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Digital Electronics

Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 4
 6
 5
 3

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Digital Electronics
In a T flip-flop no of input circuit is

 2
 4
 1
 3

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
The only function of NOT gate is to ___________.

Invert input signal
Stop signal
None of these
Act as a universal gate

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Digital Electronics
The 7-bit Hamming code is used to transmit

 4 data bits
 7 data bits
 3 data bits
 no data bits

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n-1
2n
2n

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