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

Describe the possible rmi invocation semantics, Question: (a) Explain t...

Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t

Briefly discuss on i/o hardware, Briefly discuss on I/O hardware? A con...

Briefly discuss on I/O hardware? A controller is a collection of electronics that can operate a port, a bus, or a device. A serial-port controller is an easy controller. It is

Microsoft, Discuss the high barriers to entry in the market for PL operatin...

Discuss the high barriers to entry in the market for PL operating systems

Build a vigorous distributed system, Q.  To build a vigorous distributed sy...

Q.  To build a vigorous distributed system you must know what kinds of failures can occur. a. List three possible kinds of failure in a distributed system. b. State which of

What is a real-time system?, What is a Real-time system? A Real-time sy...

What is a Real-time system? A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a

Explain lru page replacement in detail, LRU page replacement In least ...

LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti

Can a direct access file be read sequentially, Can a direct access file be ...

Can a direct access file be read sequentially? Explain. Yes. Keep a counter, cp, initially set to 0. After reading record cp, increment cp.

Analysis of Pseudocode Sempahore Solution, Gopher Gallery consists of a sho...

Gopher Gallery consists of a shopping mall and a cart ride that covers the 150 acre habitat. There are m visitors and n single-person vehicles. Visitors stroll around the mall at

Define entry section and exit section, Define entry section and exit sectio...

Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission  to e

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