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Digital Electronics

Digital Electronics
A 15-bit Hamming code requires

 15 parity bits
 4 parity bits
 none of these.
 5 parity bits

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

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

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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

 NOR
 X-OR
 NAND
 X-NOR

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Digital Electronics
The universal gate is ___________

NAND gate
AND gate
OR gate
None of these

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 self-complementing codes
 cyclic codes
 sequential codes
 BCD codes

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Digital Electronics
What is the gray code for the binary 101011?

 111110
 101011
 011111
 110101

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