Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Operating System Expert

problem 1)a) prepare a detailed note on dual mode of operation.

b) What do you mean by a system call? List out various UNIX system calls related to file management.

c) prepare down the sequence of steps in a typical system booting.

d) What is a Process Control Block? Describe each field in the PCB.

problem 2)a) Describe the Inter_process Communication using mailboxes.

b) What are the benefits of Multithreading? prepare a detailed note on thread scheduling.

c) describe the function of dispatcher? Describe the method of predicting the next CPU burst time in case of SJF process scheduling algorithm.

d) On a system using round_robin (RR) scheduling, let ‘s’ represents the time needed to perform a process switch, ‘q’ represent the RR time quantum, and ‘r’ represent the average time a process runs before blocking on I/O. Give a formula for CPU efficiency given the following:

i) q>r

ii) s

problem 3)a) What do you mean by race condition of concurrent access ? Describe with suitable ex.

b) Define the swap() instruction for process synchronization and give an algorithm that satisfies the mutual exclusion requirement of critical section problem using swap() instruction.

c) It is required to allocate a single resource among competing processes. Each process, when requesting an allocation of this resource, specifies the maximum time it plans to use the resource. State a monitor to allocate the resource on priority bases where priority is inversely proportional to the time of usage of the resource.

d) What are the synchronization methods used in Linux version 2.6 onwards.

e) prepare down the definition of semaphore operations that encounter no busy wait loops.

Operating System, Computer Science

  • Category:- Operating System
  • Reference No.:- M96634

Have any Question? 


Related Questions in Operating System

Outcomes1 evaluate process management techniques2 analyse

Outcomes: 1. Evaluate process management techniques. 2. Analyse different memory management strategies. 3. Become aware of the issues of operating systems in regards storage management. 4. Analyse the issues of protectio ...

Discuss an advantage or a disadvantage of open-source

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

Problemnbspdescriptionflash back to flash forward see

Problem  Description: Flash Back to Flash Forward (see Chapter 1 Practice Exercise 1.2 and the OS in DevOps Discussion Area) While having a discussion with your OS DevOps team, you are approached with the situation: our ...

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 ...

Assignmentinstructions please answer all questions in your

Assignment Instructions: Please answer all questions in your own words Part I: Questions 1. In terms of porting UNIX, what part of the UNIX OS requires modification? why? 2. As a system administrator, how do you deal wit ...

Question what is operating research and its application and

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

Assignmentthe power supply provides the power for all of

Assignment The power supply provides the power for all of the components of a personal computer. When replacing a power supply, it is important to consider the power needs of the internal components of the system, as wel ...

One of the most useful tools you will use in your role as

One of the most useful tools you will use in your role as an Information Security professional is a hardening checklist. Essentially, it is a document that serves as a guide to configuring a desktop / system security. Pl ...

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 ...

Discussionmultithreading please respond to the

DISCUSSION "Multithreading" Please respond to the following: • Describe at least one possible effect that multithreading could have on event-driven programming when you are either developing or using a computer program. ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen