Question

Periodic collection of all the free memory space sto form contiguous block of free space by an operating system is called:

Answer 1

Thanks for asking this question .let me help you in finding the true answer of this question.
The answer of your question is ''Garbage collection"

Actually this function is not common in android operating system but the IOS system use this function as the part of it's functions.Generally, this function only use on the specific applications.It is used in the applications where there is need of moving the data while it's run time.
Hope it's helps.

Answer 2

Answer:

garbage collection

Explanation:

that is the answer