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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 AND-NOR
 NOR
 XOR
 XNOR

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Digital Electronics
1 Kilo bits are equal to

 1024 bits
 1008 bits
 1012 bits
 1000 bits

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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
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-(2n-1+1)
 +2n-1,-2n-1
 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 0011
 1000
 1001
 1100

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 10
Base 3
Base 16
Base 8

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