To obtain the two's complement of a positive binary number, we first invert all of the .

In sign and magnitude binary, the leftmost bit represents the .

In sign and magnitude binary, the remaining bits after the first bit represent the .

In sign and magnitude binary, flipping the sign bit of a number will result in its .

Using sign and binary the number 20 is represented as .

The of a sign and magnitude binary number represents the absolute value of the number.