convert the decimal number 120 into signed 7 bit number in t

convert the decimal number -120 into signed 7 bit number in the following representations

a) 3\'s complement

Solution

For any number r and (r-1)\'s complement numbers only exists so for the decimal number 120, 10\'s complement and 9\'s complement numbers only exists.

a) Therefore 3\'s complement of 120 does not exist