what is cache memory? Can we increase cache memory size as large as a hard disk(40GB)? What are the adv and disadv? What is diff betn swap(solaris) and cache?
RE: what is cache memory? Can we increase cache memory...
cachememory is a collection of data duplicating original values stored elsewhere or computed earlier, where the original data is expensive (usually in terms of access time) to fetch or compute relative to reading the cache. Once the data is stored in the cache, future use can be made by accessing the cached copy rather than refetching or recomputing the original data, so that the average access time is lower.using cache as big as as hard disk wld deploy its use ;it is used to increase the thruput by giving it a quick access this is done wen it is very small n scanning the whole memory takes very less time...but having cache large ill creat a problem where it will b as useless in frequent memory acces as hard disk is....
RE: what is cache memory? Can we increase cache memory...
cache memory is also a mamory which can directly communicate with the processor. it is used for there is no mismatch between processor and memory so we use cache memory.but metter is that it size is very short because of it cost it is consist of SRAM which consist of there are many number of transistor so its cost is high.
