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In a system, there are two types of addresses: logical and physical. Another name for logical address is IP address and it is set by your internet service provider (ISP) or your router. If you have a router then you have a LAN, which sets a logical address for your computer. Your router will have an logical address set by your ISP.
The physical address is also called the MAC address and it is generated by the manufacturer. (but only to a given extent)
Because a MAC address is assigned (by the FCC) to a company to use for a range of products.
For example:
01:23:45:00:00:00 - 01:23:45:FF:FF:FF
Would be their "range" of MAC addresses. They use a coding called Hex which is not to far off from what you know which is base-10 (0-9).
Instead hex uses (0-F). 0123456789ABCDEF
A = 10, B = 11, etc.
Read more: What_is_the_difference_between_logical_address_and_physical_addresses
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What is paging and how is it done?
Paging is a memory management scheme in which physical memory is divided into fixed-size blocks called pages, and logical memory is divided into blocks of the same size called frames. The operating system uses a page table to map logical addresses to physical addresses during memory access. When a process requests data that is not in physical memory, a page fault occurs, leading to the system retrieving the required page from secondary storage into physical memory.
What is difference between a logical network and physical?
A physical network is different from a logical network. Logical networks are defined at the Network layer by the arrangement of the hierarchical addressing scheme. Physical networks represent the interconnection of devices on a common media. Sometimes, a physical network is also referred to as a network segment
What is the difference between physical and logical channel?
Logical Channel Physical channel Similar to computers, we need a set of The physical layer specifies how the information instructions and ports to instruct different from different voice and data services are formatted elements of the network to perform specific into packets and sent through the radio channel. duties. In telecommunications, these ports are called as logical channels.
Difference between logical database and physical database?
A logical database refers to the conceptual schema or model of data relationships and structures, independent of how data is stored or accessed. On the other hand, a physical database involves the actual implementation of the database on a specific hardware system, detailing how data is stored and accessed. The logical database design focuses on the organization of data, while the physical database design focuses on optimizing performance and storage efficiency.
What is the difference between physical structure and logical structure of a disk?
Physical structure refers to the actual layout of data on the disk, including sectors, tracks, and cylinders. Logical structure refers to how the operating system organizes and accesses data on the disk, such as partitions, file systems, and directories.
What is the difference between virtual logical and physical address spaces?
The concept of a logical address space is simply involved the process of mapping the Logical addresses to their Physical Addresses . Logical addresses are generated by the CPU; also referred to as virtual addresses.while Physical Address is the actual address of the data stored on the physical device and mapped by MMU.
Are network layer address physical or logical?
Layer 3 network addresses are logical addresses and can be easily changed by software.
How can one calculate the physical address from a given logical address?
To calculate the physical address from a logical address, you can use the base address and offset. Add the base address to the offset to get the physical address. This process is commonly used in computer systems to translate logical addresses to physical addresses for memory access.
Which OSI layer addresses data messages translates logical addresses into actual physical addresses and routes data to addresses on the networks?
Network layer
Which layer translates between physical and logical addresses?
Data Link Layer
Which OSI layer addresses data messages translates logical addresses into actual physical address and routes data to addresses on the network?
Network layer
Why you need memory physical address and memory logical address?
Physical Address refers to Storage location on Physical Memory wheres Logical Addressing is used by Memory Managing Programs to refers addresses from Physical Memory and Virtual Memory.
What identifies both the logical host and the logical network addresses?
The IP protocol identifies both the logical host as well as the logical network addresses...........
Is a MAC address logical?
A MAC address is not considered logical; it is a physical address. It is a unique identifier assigned to network interfaces for communications on a local network segment and is hardcoded into the network hardware. Unlike logical addresses, such as IP addresses, which can change based on the network configuration, MAC addresses remain constant for a device's network interface.
How Intel Pentium supports segmentation and paging?
The Intel Pentium supports pure segmentation and segmentation with paging. The processor creates logical addresses, which are mapped to physical addresses by the segmentation unit. Those addresses may point to physical addresses within memory or paged swap space.
Physical address and logical address?
A logical (or virtual) address is a reference to a memory location independent of the current assignment of data to memory; a translation must be made to a physical address before the memory access can be achieved. A relative address is the address expressed as a location relative to some known point, usually the beginning of the program. A physical address, or absolute address, is an actual location in main memory.
Does Switches move data using physical addresses and routers move data using logical addresses?
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