1. Here are two file allocation methods, answer the following questions. File allocation table File name Start block Length File allocation table File name Start black Length Filc A 2 Filc B 9 File C 18 File D302 FileE263 0 CONAN -0.00: 00 Filc B 150\60- 0 0 0 0 3DO-0260 Fig 1 Fig 2 1) Compared with Fig 2, the method in Fig 1 has a major problem. What is that and why it can be avoided in Fig 2. 2) Briefly list the advantages and disadvantages of these two methods. 3) What is internal fragmentation, where will it happen