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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 unsigned number
 None of these
 signed numbers

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

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000010011
 000010010
 100001001
 000001001

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -32 as 11100000
 -37 as 11011011
 -48 as 11101000
 -89 as 10100111

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 268
 183
 194
 269

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

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