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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 NOR gate
 NAND gate
 OR gate
 X-OR gate

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Digital Electronics
A device which converts BCD into octal is called

 code converter
 demultiplexer
 decoder
 encoder

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Digital Electronics
1s Complement of 11001010 is

 11001011
 00110101
 11001001
 00110111

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NAND
 NOR
 AND
 none of these

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Digital Electronics
Which of the following is a self-complementing code?

 cyclic code
 XS-3 code
 Gray code
 Hamming code

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 n + m literals
 m + 1 literals less than the total number of variables
 m – 1 literals less than the total number of variables
 n – m literals

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