Can someone explain to me?

1. Compared with indexed allocation, list at least one advantage and one disadvantage of chained allocation. 2. Free Space Table (FST) is used to manage unallocated blocks. Does FST uses up space that might have been available for files? Explain why. Provide an outline of a solution that will not have this issue. 3. Programs are often linked to be loaded at the same or overlapping memory addresses. What problem(s) it creates? Outline short a solution