Explain lru enhanced second chance algorithm, Operating System

Assignment Help:

Enhanced Second chance algorithm

In this a modify bit is as well used. Now if the ordered pair of reference and modify is

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

(1,1) both referenced and modified- the worst to replace

(1,0) referenced but not modified

(0,1) not recently used but modified.

This algorithm is utilized in the Macintosh virtual memory management scheme.

Related Discussions:- Explain lru enhanced second chance algorithm

Declare some applications of open source systems, Declare some Applications...

Declare some Applications of Open Source Systems • Finance • Educational • Data Storage and Management • ERP (Enterprise Resource Planning) •File Sharing & FTP

Define segmentation, Define Segmentation The memory allocation method...

Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.

Problem of unbalanced loads, Present your own fully documented and tested p...

Present your own fully documented and tested programming example illustrating the problem of unbalanced loads. Describe the use of OpenMP's scheduler as a means of mitigating this

Removing system dependencies, Removing System Dependencies Because port...

Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the

Tcp and ip stack, What does the last four digits '0010' of the above dump r...

What does the last four digits '0010' of the above dump represent? What action will the Destination node takes when it receives this packet? The last four digits '0010' denotes

Malloc, I need help implementing malloc

I need help implementing malloc

Describe the possible rmi invocation semantics, Question: (a) Briefly d...

Question: (a) Briefly discuss and describe the possible RMI invocation semantics. (b) (i) What is data marshaling? (ii) Explain the role of a remote object reference dur

Merits of device controller in the kernel, Q. State three merits of placing...

Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages. Answer: Three advantages: Bugs are less probabl

What are files and explain the access methods for files, What are files and...

What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access

What is the basic function of assembler, Q. What is the basic function of A...

Q. What is the basic function of Assembler ? Input to an assembler is an assembly language program. Output is an object program and information which enables the loader to prep

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages