Perform the following operations (a) Convert 111(base 10) into binary system (b) Convert -123(base 10) into binary system using 1-s complement+1 method (c) Compute the 111-123 using addition of the result of (a) and the result of (b) (d) What is the value of the 8th bit when computing (c)? (e) Use the 1-s complement+1 method to convert the result from (c) into a magnitude of |111-123|