Question

Write a difference between physical address and logical address?

Answer 1

S.NO.	Parameters	Logical address	Physical Address
1.	Basic	It is the virtual address generated by CPU.	The physical address is a location in a memory unit.
2.	Address	Set of all logical addresses generated by the CPU in reference to a program is referred to as Logical Address Space.	Set of all physical addresses mapped to the corresponding logical addresses is referred to as a Physical Address.
3.	Visibility	The user can view the logical address of a program.	The user can never view the physical address of the program
4.	Access	The user uses the logical address to access the physical address.	The user can not directly access the physical address
5.	Generation	The Logical Address is generated by the CPU	Physical Address is Computed by MMU