(a) (4 points) Suppose the eight bit sign magnitude and second complement bit models. What are the actual values of 11001101 in decimal for each bit models? (b) (5 points) Show the output of the following code o- Out Put: char b int i; b-15; printf("%d ", b); printf("Xd ", b); dcan 9 printf("", (b&(1cd)) printf("In)i a- rtuln >> ); 15