In two level scheme for page table, if one assume byte-level addressing and 4-kbyte (212 pages) then the 4-Gbyte (232) virtual address space is composed of

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• In defining page table structure in virtual memory, A page number portion of a virtual address is mapped into a hash table using simple hash function, where hash table contains a pointer to the inverted page table, which contains page table entries, this approach is referred as
• In two level scheme if each page is mapped by 4-byte (22) page table entry then to create a page table composed of 220 page table entry one requires
• In memory management Free page list is: A- A list of page frames available for reading in pages. B- A list where replaced page is assigned without modification. C-A list where replaced page is assigned with modification.
• Match the following pairs A. Logical address(1) An actual location in main memory B. Relative address (2) An address is expressed as a location relative to some known point. C. Physical address (3) A memory location independent of the current assignment of data to memory
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• A Absolute loading B Re-locatable loading C Dynamic Run-Time loading; 1. For loader, load module, either is an absolute main memory address or specific address reference. 2. For loader, load modules have no absolute address. 3. For loader, load modules have all memory reference in relative form.
• Dirty bit for a page in a page table
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• Physical address (absolute address) in memory partitioning is
• In memory management : A- Fetch Policy B- Cleaning Policy C- Placement Policy: 1- It determines when a modified page should be written out to secondary memory. 2- It determines when a page should be bought into main memory. 3- It determines where in real memory a process piece is to be reside.