Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is subtracted
 0011 is subtracted
 0110 is added
 0011 is added

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Digital Electronics
Which of the following notations have two representations of zero? (I) 1’s complement with radix of number being 2 (II) 7’s complement with radix of number being 8 (III) 9’s complement with radix of number being 10 (IV) 10’s complement with radix of number being 10 Select the correct answer using the codes given below:

 (I), (II) & (III)
 (II), (III) & (IV)
 (I), (II) & (IV)
 (I) & (III)

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