Question

State the main difference between logical and physical address space?

Answer 1

Parameter	LOGICAL ADDRESS	PHYSICAL ADDRESS
Basic	generated by the CPU.	location in a memory unit.
Address Space	Logical Address Space is a set of all logical addresses generated by the CPU in reference to a program.	Physical Address is a set of all physical addresses mapped to the corresponding logical addresses.
Visibility	Users can view the logical address of a program.	Users can never view the physical address of the program.
Generation	generated by the CPU.	Computed by MMU.
Access	The user can use the logical address to access the physical address.	The user can indirectly access physical addresses but not directly