What is logical address and logical address space?

Logical Address Space is the set of all logical addresses generated by CPU for a program whereas the set of all physical address mapped to corresponding logical addresses is called Physical Address Space.

Why do we need logical address?

Logical address is used to reference to access the physical memory location. A logical address is generated so that a user program never directly access the physical memory and the process donot occupies memory which is acquired by another process thus corrupting that process.

What is the purpose of logical address?

Where is the physical address in the address space?

The address space consists of the set of all logical addresses. These addresses are generated by CPU with reference to a specific program. The user has the ability to view the logical address of a program. The user can use the logical address in order to access the physical address. This address is a location in the memory unit.

How is a logical address different from a physical address?

The user has the ability to view the logical address of a program. The user can use the logical address in order to access the physical address. This address is a location in the memory unit. This address is a set of all physical addresses that are mapped to the corresponding logical addresses.

Where are logical addresses and physical addresses located in an operating system?

Let us now cover the differences between the Logical addresses and Physical addresses in the Operating System 1. Users can access the logical address of the Program. 2. The logical address is generated by the CPU. The physical address is located in the memory unit. 3. The user can access the physical address with the help of a logical address.

Can a physical address be accessed by a user?

A physical address can be accessed by a user indirectly b ut not directly. 4. The logical address does not exist physically in the memory and thus termed as a Virtual address.