
1) Computer memory
Found on
https://www.crosswordclues.com/clue/write-buffer

A write buffer is a type of data buffer used in certain CPU cache architectures. In a CPU cache, a write buffer can be used to hold data being written back from the cache to main memory. This is a variation of write-through caching called buffered write-through. Use of a write buffer in this manner frees the cache to service read requests while th...
Found on
http://en.wikipedia.org/wiki/Write_buffer
No exact match found.