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

Related MCQs

• 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
• 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 : 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.
• Statement A : In memory management, the replacement policy deals with the selection of pages in memory to be replaced by arrived new page. Statement B: In memory management, the policy the fetch policy determines when a page should be bought into main memory.
• 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.
• In memory management :A-Fixed allocation policy, B-Variable allocation policy: 1-It gives a process a fixed number of frames in main memory within which to execute. 2-It allows the number of page frames allocated to a process to be varied over the life time of the process. 3-In it a number of allocated frames are decided at initial load time.
• 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
• 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.
• In secondary storage management, “If allocation of file is made on an individual block basis and each block contains a pointer to the next block in the chain” then it is referred as
• In real time scheduling: A: Static table driven approach, B: Static priority driven preemptive approach, C: Dynamic planning based approach; 1- A static analysis of feasible scheduler of dispatching is done and implemented. 2- A static analysis of feasible schedules of dispatching is done and assigns priorities to tasks. 3- Feasibility is determined at run time.