Contents
- 1 What is the difference between logical address and logical address space?
- 2 What is the difference between logical addressing and physical addressing how they are used in networks for identification?
- 3 What is the logical address space of a process?
- 4 What are physical and logical addresses?
- 5 Which is a logical address?
- 6 How is a physical address different from a logical address?
- 7 When does the CPU generate a logical address?
- 8 How is physical address used in memory management?
What is the difference between logical address and logical address space?
Logical Address is generated by CPU while a program is running. The logical address is virtual address as it does not exist physically, therefore, it is also known as Virtual Address….Comparison Chart:
| Parameter | LOGICAL ADDRESS | PHYSICAL ADDRESS |
|---|---|---|
| Generation | generated by the CPU | Computed by MMU |
What is the difference between logical addressing and physical addressing how they are used in networks for identification?
The basic difference between a logical and physical address is that during program execution, the logical address is created by the CPU, while the physical address refers to a memory location. The address is used as a physical memory location access reference. The physical address is never the recipient.
What is the difference between effective and logical address explain with an example?
In computing, a logical address is the address at which an item (memory cell, storage element, network host) appears to reside from the perspective of an executing application program. effective Address or Offset Address: The offset for a memory operand is called the operand’s effective address or EA.
What is the logical address space of a process?
The logical address space is the range of logical addresses that can be generated by a process running on the CPU. On many systems, the logical address space is dictated by the architecture of the CPU – specifically by the number of bits in the address portion of an instruction.
What are physical and logical addresses?
The basic difference between Logical and physical address is that Logical address is generated by CPU in perspective of a program. On the other hand, the physical address is a location that exists in the memory unit. The set of all logical addresses generated by CPU for a program is called Logical Address Space.
What are logical and physical addresses?
Which is a logical address?
In computing, a logical address is the address at which an item (memory cell, storage element, network host) appears to reside from the perspective of an executing application program. A logical address may be different from the physical address due to the operation of an address translator or mapping function.
How is a physical address different from a logical address?
Logical addresses are generated by CPU during execution whereas physical address refers to location in a physical memory unit (the one that is loaded into memory). Note that users deal only with logical address (virtual address). The logical address is translated by the MMU.
How are logical and physical addresses used in an operating system?
Logical and Physical Address in Operating System. Logical Address is generated by CPU while a program is running. The logical address is virtual address as it does not exist physically, therefore, it is also known as Virtual Address. This address is used as a reference to access the physical memory location by CPU.
When does the CPU generate a logical address?
Logical Address is generated by CPU while a program is running. The logical address is virtual address as it does not exist physically, therefore, it is also known as Virtual Address. This address is used as a reference to access the physical memory location by CPU.
How is physical address used in memory management?
Physical Address is used to identify a physical location within the memory management unit which computes according to the correlating logical address.