Explain enhanced second-chance algorithm, Operating System

Assignment Help:

Enhanced second-chance algorithm.

When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following four possible classes.

a) (0,0) neither recently used nor modified - best page to replace.

b) (0,1) not recently used but modified - not quite as good.

c) (1,0) recently used but clean - it probably will be used again soon.

 


Related Discussions:- Explain enhanced second-chance algorithm

Networking protocols, Modern networks are not implemented as a single piece...

Modern networks are not implemented as a single piece of software; that would render the task of dealing with multiple technologies and manufacturers virtually impossible. The solu

Explain swapping technique used in pre-3bsd unix systems?, What are the dis...

What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient

Financial objective of corporation, The primary financial objective of corp...

The primary financial objective of corporation is usually taken to be the maximization of shareholder wealth. Discuss:- i. Ways in which the shareholder of a company can encour

Determine the fork and execlp functions - linux, Assignment What I...

Assignment What I'm covering: General control flow fork() execlp() Parameters Makefiles Additional Questions General Control Flow/fork(

Explain two level directory, Two Level Directory This kind of structure...

Two Level Directory This kind of structure overcomes the problems of assigning unique names to the files. Thus there need not be any confusion among users. In this kind of s

Fundamental of operating system, An operating system provides the environme...

An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd