Garbage is collection is a part of dotnet framework which automatically disposes the objects which are not used for a long time and occupies the memory and once it is disposed, the memory will be back with those spaces. This is also called memory Management.

garbage collector is a part of CLR(COMMON LANGUAGE RUNTIME ENGINE).THE CLR TAKEN CARE OF MEMORY MANAGEMENT I.E IT WILL USE THE GARBAGE COLLECTOR & CLEAR THE UNWANTED/NON USABLE MEMORY

garbage collection is part of CLR which is used bydefault in each program at runtime, to release memory given to objects and variables(when they are not longer used or completed execution).This property is given by microsoft with keep in mind that many programmers are lazy and want not to release objects after use.