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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 10
 11
 13
 12

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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

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

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 > 10,000
 < 10,000
 50,000 to 99,999
 10,000 to 99,999

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 Hamming code
 XS-3 code
 8421 code

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

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

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1
 +2n-1,-(2n-1-1)
 None of these

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