What Debug command dumps data at the beginning of the memory address space?

Address binding of instructions and data to memory addresses can happen at three different stages:Compile time: If memory location known a priori, absolute code can be generated; must recompile code...

On many platforms is 4 byte or 32 bits; if you want to be sure, try this: printf ("here sizeof (int) is %d\n", (int)sizeof(int));

Physical Address refers to Storage location on Physical Memory wheres Logical Addressing is used by Memory Managing Programs to refers addresses from Physical Memory and Virtual Memory.

memory address (a code that identifies where a piece of information is stored)

memory address (a code that identifies where a piece of information is stored)