Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -128 to 127
 -127 to 127
 -256 to 255

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Digital Electronics
In K-map simplification, a group of four adjacent 1s leads to a term with

 four literals less than the total number of variables
 three literals less than the total number of variables
 one literal less than the total number of variables
 two literals less than the total number of variables

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