Which address is generated by CPU?

The address generated by the CPU is a logical address, whereas the address actually seen by the memory hardware is a physical address. Addresses bound at compile time or load time have identical logical and physical addresses. Addresses created at execution time, however, have different logical and physical addresses.

Explore further detail here. Similarly one may ask, does CPU generate physical address?

Logical address is address generated by CPU during execution whereas Physical Address refers to location in memory unit(the one that is loaded into memory).

One may also ask, why do we need logical and physical address? The need of logical address is to securely manage our physical memory. Logical address is used to reference to access the physical memory location. The binding of instruction and data of a process to memory is done at compile time, load time or at execution time.

Additionally, what is the physical address from logical address generated by CPU we use?

Explanation: The method of address allocation to data to be stored is called as memory assignment. Explanation: Memory Management Unit, is used to add the offset to the logical address generated by the CPU to get the physical address.

What is the purpose of physical address?

In computing, a physical address (also real address, or binary address), is a memory address that is represented in the form of a binary number on the address bus circuitry in order to enable the data bus to access a particular storage cell of main memory, or a register of memory mapped I/O device.

What is physical address example?

Sample 1. + New List. Physical address means a unit-specific building or house number and street name, not a post-office box or commercial alternative to a post-office box.

What is the size of physical address?

Explanation: Physical Address Space = 2P Bytes. Word Length is 2W bytes, which means each word is of size 2W bytes.

What is difference between logical and physical address?

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.

Who generates logical address?

Logical address is address generated by CPU during execution whereas Physical Address refers to location in memory unit(the one that is loaded into memory). Note that user deals with only logical address(Virtual address). The logical address undergoes translation by the MMU or address translation unit in particular.

What means physical address?

In computing, a physical address (also real address, or binary address), is a memory address that is represented in the form of a binary number on the address bus circuitry in order to enable the data bus to access a particular storage cell of main memory, or a register of memory mapped I/O device.

How is CPU memory connected?

The motherboard is a circuit board that connects the CPU to the memory and all the other hardware. The CPU sits on the motherboard (also called the logic board). Buses are circuits on the motherboard that connect the CPU to other components.

What is a physical mailing address?

A physical mailing address is having a street address to send your postal mail and packages to. Unlike a PO Box, with a physical mailing address, you can get mail from USPS in addition to UPS, FedEx, or any other mail carriers.

What is offset address?

The offset address in an 8086 is the logical address that the program “thinks about” when it addresses a location in memory. The Execution Unit (EU or CPU) is responsible for generating the offset address.

What is logical address with 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. A logical address may be different from the physical address due to the operation of an address translator or mapping function.

What is main memory in a computer?

The main memory in a computer is called Random Access Memory. It is also known as RAM. This is the part of the computer that stores operating system software, software applications and other information for the central processing unit (CPU) to have fast and direct access when needed to perform tasks.

What is logical address OS?

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.

Is virtual address same as 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.

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