Therefore , the total number of addresses to memory is often determined by the width of these registers .
Many computer instruction sets are designed so that a single integer register can store the memory address to any location in the computer 's physical or virtual memory .
The total number of addresses to memory is often determined by the width of these registers .
Many computer instruction sets are designed so that a single integer register can store the memory address to any location in the computer 's physical or virtual memory .