Teaching TN TRB CS Mock Test Computer Organization and Architecture Memory Management Cache Coherence
What is the difference between write through and write back?
1
Write through refers to disk storage and write back refer to cache storage.
2
Write through refers to cache storage and write back refer to main memory storage.
3
Write through copies information to main memory immediately, but write back delays writing to memory until it’s necessary.
4
Write through saves writes until the CPU is through with the data, and write back keeps a copy so the CPU can get it back.