Each question is worth 2 points, for a total of 18 points. Show your work, and check your answers. la) Convert 612.43210 to unsigned binary. Show 12 bits for the integer portion and 4 bits for the fractional part. b) What is the absolute error and the percent error? 2) Convert 3E7.A416 to decimal. 3) Convert 73710 to hexadecimal. 4) Convert 11000110102 to hexadecimal, assuming that it is a sign magnitude number. 5) Convert the sign magnitude number, 1010111101012, to its 25 complement equivalent. 6) A =0111110101b, B = 110101011b a) If A and B are unsigned integers, calculate A + B. b) If A and B are 25 complement integers, calculate A - B. c) If A and B are unsigned integers, calculate A x B.