A memory space used for the temporary storage of data is

ANS:C - Scratchpad storage

Buffer memory : is a region of a physical memory storage used to temporarily store data while it is being moved from one place to another.

So buffer can also be the answer.

Note that, SAM (sequential access memory) : is a class of data storage devices that can store data in a sequencial order.

This memory is contrast to RAM where data can be accessed in any order.