title: How to define a page in terms of a block?
body: <p>I learnt that when we manage a data structure such as a tree or other graph its nodes are stored in the computer in something called a block and nodes of the graph can make up the block and it is the block that is transferred between secondary and primary memory when a data structure gets moved between primary and secondary memory. So I think it's pretty clear what a block is, it can consist of different sizes depending on architecture but is often 4K. Now I want to know how a block relates to memory <em>pages</em>. Do pages consist of blocks or what is the relation of blocks to pages? Can we define what a page is in memory in terms of a block?</p>