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 What are the benefits of OOD? o Object oriented design facilitates “Reusability”, “Extensibility” and “Modularity” of the software. We can divide the software into many components/classes so that “Abstraction” can be done on the changing part and non changing part to support the “changeability”. Plus Inheritance, Composition and polymorphism will always help in implementation.  Explain how the Garbage Collector works in C# o The GC of the C# (.Net rather) is a cool component in .NET framework. Being a C++ programmer, I truly understand the importance of it. I don’t need to worry about allocating /freeing the memory once I use it in .net. In c#, all the object memory management is done in “Managed heap. GC collects the unused memory based on metadata information which gives the memory layout of the created object. It performs the collection in two phases. Mark -> GC first finds the root of each object and traverse to the bottom of it adding each object and make a graph of it. It...