A page out operation: a. moves a page from the backing store to memory.
b. moves a page from memory to the backing store.
c. moves a page from one frame to another.
d. deletes a page from the backing store.

Consider a byte-addressable computer with 16mb of main memory, a cache capable of storing a total of 64kb of data and block size of 32 bytes. (a) how many bits in the memory address? (b) how many blocks are in the cache? (c) specify the format of the memory address, including names and sizes, when the cache is: 1. direct-mapped 2. 4-way set associative 3. fully associative