What is 1\'s complement of (010111001)2 ? (010111001)2 (101000111)2 (101000110)2 (001001001)2A. (010111001)2B. (101000111)2C. (101000110)2D. (001001001)2 Solution For finding the 1\'s compliment of a number simply chage all 1s to 0s and all 0s to 1s in the binary number (010111001)2 => (101000110)2(option C).