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

Firewall linux-a simple firewall is a filter which blocks

Firewall (Linux)- A simple firewall is a filter which blocks the packets based on the pre-defined filter rules. There are two general strategies to set-up a filter. One strategy is restrictive firewall which blocks all p ...

Assignment exploring the machinein this assignment you will

Assignment: Exploring the Machine In this assignment, you will explore a computer (i.e., a Windows PC or a Mac computer). Specifically, you will view the system's general information, create a folder on the desktop of th ...

Goals1 to gain hands-on experience with fork exec and wait

Goals: 1. To gain hands-on experience with fork(), exec(), and wait() system calls. 2. To master the basics of multi-process application development. 3. To appreciate the performance and fault-tolerance bene_ts of multi- ...

1 consider a system of 9 processes p p1 p10 associated

1. Consider a system of 9 processes, P = {p1, ..., p10} Associated with the system are 6 memory cells, M = {M1, .., M6}. The domain and range for each process is given in the following table: Process pi Domain D(pi) Rang ...

Purpose of this assignmentthe purpose of this written

Purpose of this assignment: The purpose of this written assignment is to verify students' knowledge on some of the topics covered in the second half of the course: The Device Handler, File management, Deadlock, UNIX/Linu ...

Discussionconduct a system evaluation on your computer

Discussion Conduct a system evaluation on your computer (Windows 8 and 10 are covered) to decide if your current computer meets your needs for now and in the future. (Windows 7, Mac OS) • What is your CPU utilization? • ...

Questioninformation technology planning how much should a

Question:INFORMATION TECHNOLOGY PLANNING How much should a company invest in IT? How does a company know if it under-invests or over-invests in IT? If you haven''t heard of the "IT-productivity paradox," then it is the t ...

Operating systems- homeworkpurposethe purpose of this

Operating Systems- Homework Purpose The purpose of this exercise is to understand how creating files affects the available disk space and the available i-nodes on a disk partition on Linux/UNIX. Assignment Create and lea ...

Securing operating systemsin this document of 2-3 pages

Securing Operating Systems In this document of 2-3 pages, respond to the following: • Describe the specific security concerns or risks that your chosen operating system is exposed to and how you plan to mitigate the risk ...

What is the purpose of an embedded operating system and why

What is the purpose of an embedded operating system and why would one be used? Discuss at least two advantages and two vulnerabilities in utilizing an embedded OS. Directions: Your completed assignment should be at least ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate