Question

Convert the decimal number 29 into binary. Using sign and magnitude form arid 1 ’s complement form represent +29 and -29 in memory in 8-bit word length?

Answer 1

A computer with 8 bit word length, sign and magnitude representation of +29 is (00011101)₂ and -29 is (10011101)₂. 

1 ’s complement form of (-29) is (11100010)₂ . 

Note : To find the 1 ’s complement of (+29), change all ones to zeroes and all zeroes to ones.