Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Operating System Expert

Q1. Let consider the given page reference string:

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

Determine the page faults which would take place for the given replacement algorithms, supposing five frames? Keep in mind all frames are initially empty, first unique pages will all cost one fault each.

• LRU replacement
• FIFO replacement
• Optimal replacement

Q2. Assume that a disk drive consists of 5,000 cylinders, numbered 0 to 4999. The drive is presently serving a request at cylinder 143 and the prior request was at cylinder 125. The queue of pending requests, in FIFO order, is: 86, 1470, 913, 1774, 948, 1509, 1022, 1750, 130.

Beginning from the present head position, determine the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests for each of the given disk scheduling algorithms?

• FCFS
• SSTF
• SCAN
• LOCK
• C-SCAN
• C-LOOK 

Operating System, Computer Science

  • Category:- Operating System
  • Reference No.:- M913494

Have any Question? 


Related Questions in Operating System

Foundations of informationsthere are so many operating

Foundations of Informations There are so many operating systems available in the market that it's difficult to decide which one is the best. Search the Internet for information on the following operating systems, and dra ...

Question what is operating research and its application and

Question: What is operating research and its application and scope of operating research

Scripting the gnulinux shell1 write a script that stores

Scripting the GNU/Linux Shell 1. Write a script that stores the time it takes a command (your choice of command) to run in three variables, real, user, and system, corresponding to the three default times that time print ...

Assignmentinsecurity controlshave you ever walked on a new

Assignment (In)security Controls Have you ever walked on a new sidewalk? If so, you might have noticed how clean and smooth it was. You also might have been impressed with how seemingly impenetrable it was. If you were t ...

Your objective is to create a program that simulates round

Your objective is to create a program that simulates Round Robin CPU scheduling. You may write your program in C, C++, Java, or Python. If you choose C, C++, or Java you must include a Makefile. Your program will be test ...

Firewall rulesin this project you will create two simple

Firewall Rules In this project you will create two simple firewall rules in Windows Advanced Firewall. This may be the first time you have made a modification to the firewall on your computer. The first rule will block a ...

Questionpick an aspect of an historical operating system ie

Question: Pick an aspect of an historical operating system (IE. Multics) and detail how a modern system supports that function. 10 to 20 lines are enough and please provide citations or references.

Unikernelas part of the big picture of kernel design take a

UNIKERNEL As part of the big picture of kernel design, take a look at the attached article. In this course, we have not yet covered some of the OS components that are integral to discussing the benefits and detriments of ...

Discuss an advantage or a disadvantage of open-source

Discuss an advantage or a disadvantage of open-source operating system. 10 lines are enough.

As the system administrator you are always looking for ways

As the system administrator, you are always looking for ways to improve your network. Although there are many different types of operating systems, there are many versions of the operating systems, as well. After much re ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro