Question

a buffer storage system where the processor writes changes only to the cache and not to main memory. Cache entries that have changed are flagged as  telling the cache controller to write their contents back to main memory before using the space to cache new data

Accepted Answer

write-back cache

Przód	a buffer storage system where the processor writes changes only to the cache and not to main memory. Cache entries that have changed are flagged as telling the cache controller to write their contents back to main memory before using the space to cache new data
Tył	write-back cache

Cache Main Buffer Storage System Processor Writes Memory