Ask Question, Ask an Expert


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

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. ...

Assignment1 arrigo postulated three key propositions of

Assignment (1) Arrigo postulated three key propositions of postmodernism. Explain them in full, using at least 250 words. (2) Daly and Chesney-Lind considered five insights to be distinctive features of feminist theory? ...

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 ...

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 ...

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 ...

1 write a shell script lab2q1sh to do the followingacreate

1. Write a shell script ( to do the following: a. Create list1.txt (use echo command) as: Football Basketball Skates Soccer ball Golf ball Shoes b. Create list2.txt (use echo command) as: Football Basketball S ...

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 ...

Please address the followingprovide one advantage or one

Please address the following: Provide ONE advantage or ONE disadvantage of a Microkernel OS Design or a Monolithic OS Design. Provide support (back up your claims) for your view. The following are examples with proper ju ...

Assignment directory treein this assignment students are

Assignment: Directory Tree In this assignment, students are required to implement an operating system command that displays the tree structure of a folder or directory. The program asks the user to enter a folder name. N ...

Linux implementation proposallinx llc has a new research

Linux Implementation Proposal Linx, LLC. has a new research and development group - LSDG. All systems in LSDG will run the Linux operating system and will access resources, as well as share resources, with Linx, LLC.'s M ...

  • 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