19 Jul
2001
19 Jul
'01
11:03 p.m.
On Jul 19, 2001 at 09:44, Philip S Tellis wrote:
Basically, buffers are used when you have slow I/O devices. Data is stored in the buffer while the device catches up with the sending rate.
Yes; buffers are FIFO.
Cache on the other hand is used when the same data needs to be used over and over again. Instead of reading it fro disk everytime, it is stored in a cache, and read from memory.
Yes. And it's usually random access. At least, modern caches are.
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