Quiz submission record for quiz7-1-1 at Sun Aug  1 22:43:17 2004:

Your Answer for Question 1:
physical addresses are different from virtual addresses in that a physical address is assigned only one per space. the range is from 0 to some maxiumum. Also some of the physical address space is saved for use by the operating system and is not for processor use.

virtual addresses are used by the processor and assigned for use by the operating system. they start from zero but it is not the true zero of the memory. it's pseudo addresses.

Your Answer for Question 2:
eaeasy to allocate memory, memory comes from a free list of fixed size chunks. allocating a page is removing it from the list. 

bigger chunks are easier to swap out of the system. 
all chunks are the same size. also pages are a multiple of the disk block size




Your unique submission ID is quiz7-1-1-cs61c-ca-1091425397-2864.