Answer the following with reference to the ORD in Figure XXXXXXXXXXa) Find a minimal set of stubs S1 and the corresponding incremental test sequence. How many specific stubs are required if S1 is to...

Answer the following with reference to the ORD in Figure 11.22. (a) Find a minimal set of stubs S1 and the corresponding incremental test sequence. How many specific stubs are required if S1 is to be used ? (b) Find a set of stubs S2 that minimizes the number of specific stubs. What is the incremental test sequence if S2 is to be used during testing ?