Give two reasons why caches are useful. What problems do they solve? What problems do they cause? If a cache can be made as large as the device for which it is caching (for instance, a cache as large as a disk), why not make it that large and eliminate the device?

The cache is a special storage space for temporary files that makes a device, browser, or app run faster and more efficiently. Generally, when the user tries to open any file, the file is shifted from secondary storage to the main memory and then the file is opened. If the …