Page faults, Operating System

Assume there are only 4 page frames in the physical memory, for the following reference string:

1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2, 8.

a) What is minimum number of page faults for an optimal page replacement strategy? Please show how the page is placed and how page faults occur.

b) How many page faults occur using LRU? Please show how the page is placed and how page faults occur.

Posted Date: 4/2/2013 4:10:33 AM | Location : United States

Related Discussions:- Page faults, Assignment Help, Ask Question on Page faults, Get Answer, Expert's Help, Page faults Discussions

Write discussion on Page faults
Your posts are moderated
Related Questions

What is the resident set and working set of a process? Resident set is that portion of the process image that is actually in real-memory at a certain instant. Working set is th

How are file sharing and protection implemented? To execute file sharing and protection the system have to maintain more file and directory attributes than are needed on a sing

Give an overview of WINDOWS 2000 file management. Windows makes use of the NTFS and File Allocation Table file systems. The Older versions of the FAT file system had file name

What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.

Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with

What is meant by file management systems? File Management systems are as well referred to as simply a file system .File system is the system that an OS operating system or prog

Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that

Question: OS Installation / File system a) Why is NTFS portioning preferred over FAT16 or FAT32 when security is of primary concern? b) State a situation or an application w

Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list? Answer: An ap