Operating System: Consider an index based file system with the inode containing 64 indexes, 1 indirect index pointing to a disk block containing an array of direct indexes , and one 2 level index in the usual way. Assume that each index takes 4 bytes. if the disk block size is 1024 bytes, How many disk accessses does it take to read on disk block at location 3000321 within a file assuming no caching?