Given the logical address 0xaef9 (in hexadecimal) with a page size of 256 bytes. 0xF9 is the page number.
What is logical address?
A logical address in computing is the location where anything (such as a memory cell, storage element, or network host) seems to be located from the perspective of an application program that is now running. Due to the use of an address translator or mapping function, the logical address and the physical address may differ.
What is logical address used for?
To access a physical memory location, a logical address is utilized as a reference. A logical address is created to prevent user programs from ever accessing physical memory directly and from occupying memory that has been acquired by another process, which could corrupt that process.
How do you find the page number of a logical address?
Calculating the number of bits necessary for a logical address # Process size is equal to the logical address space (LAS). # The number of pages in the Logical Address Space (LAS) is equal. # Page dimensions are always a power of two.
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