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Some Operating Systems periodically look for pages that have not been recently referenced and add them to the Free page queue, after paging them out if they have been modified.
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What is demand paging in operating system?
It is a memory managermnet concept where the operating system copies the dats from the disk space to the main memory (RAM) only when is trying to access the page. it is like we have to attempt the page again, when the page fault has occured while trying to get the data.
What is a page table base register?
Each process running on a processor needs its own logical address space. This can only be realized if each process has its own page table. To support this, a processor that supports virtual memory must have a page table base register that is accessible by the operating system. For operating system security, this register is only accessible when the processor is in system mode. The operating system maintains information about each process in a process control block. The page table base address for the process is stored there. The operating system loads this address into the PTBR whenever a process is dispatched.
How do you find the operating system for laptop Acer aspire 5735?
The Acer Aspire 5735 model has a Windows Vista operating system. The specifications about the Aspire 5735 can be found on the Acer Support page.
What is Trashing in operating system?
Trashing means excessive page input output in swapping. Which reduces the degree of multiprogramming.
Explain all types of operating system with diagram?
There are basically four types of operating systems. They include Batch Operating System, Multiprogramming Operating System, Network Operating System and Distributed Operating System.
What is the site name to get tutorial book for operating system?
visit this page that will give you a good idea about operating system
When was operating system introduced?
I assume you mean "When was the first operating system introduced?" Seems to be in the 1950s. See the link below for a very detailed page.
What is demand paging in operating system?
It is a memory managermnet concept where the operating system copies the dats from the disk space to the main memory (RAM) only when is trying to access the page. it is like we have to attempt the page again, when the page fault has occured while trying to get the data.
What is a page table base register?
Each process running on a processor needs its own logical address space. This can only be realized if each process has its own page table. To support this, a processor that supports virtual memory must have a page table base register that is accessible by the operating system. For operating system security, this register is only accessible when the processor is in system mode. The operating system maintains information about each process in a process control block. The page table base address for the process is stored there. The operating system loads this address into the PTBR whenever a process is dispatched.
What software translates HTML into a Web page outlook browser or operating system?
A browser.
What page fault in operating system?
a page fault is a hardware or software interrupt,it occurs when an access to a page that has not been brought into main memory takes place.
How to find my electronic notebooks operating system?
An easy way to find out what operating system is installed onto your notebook would be to open your system's control panel. From there you need to go to the "System and Security" section, and from there click on the "System" link. The page will show you your current operating system, as well as all the other details about your notebook.
How do you find the operating system for laptop Acer aspire 5735?
The Acer Aspire 5735 model has a Windows Vista operating system. The specifications about the Aspire 5735 can be found on the Acer Support page.
When a computer is using virtual memory the operating system builds a file called the page on what?
Hard drive
How do you calculate the page table size in operation system?
The number of bits in the offset field is determined by the page size. ... Calculate the number of bits in the page number and offset fields of a logical address. ... must have a page table base register that is accessible by the operating system.
When your computer is using virtual memory the operating system builds a file called the page file?
hard drive
What is Trashing in operating system?
Trashing means excessive page input output in swapping. Which reduces the degree of multiprogramming.
