3.Consider the following maximum-claim reusable resource system with four processes(Po, P1, P2, P3) and three resource types (Ro, R₁, R₂). The maximum claim matrix C is given byPoP₁P₂P3RAMSARO5PoP₁P₂P3Ro435where Cij denote maximum claim of process i for resource j. The total number of units of eachresource type is given by the vectorR₁1161R18R₂44136R215The current allocation of resources is given by the matrix ARoR₁01201210where Aij denotes the units of resources of type j currently allocated to process i. For the stateshown above, determine if a new request by process P₁ for 1 unit of resource R₁ can be safelygranted. (Remark: You can assume that the system state above does not yet consider thisrequest.)R₂4113

Given the Maximum claim and Current Allocation matrixes: Maximum claim = 4143145613116Current…

Consider the following maximum-claim reusable resource system with four processes (Po, P₁, P2, P3) and three resource types (Ro, R₁, R₂). The maximum claim matrix C is given by Po P₁ P₂ P3 Ro 4 3 5 1 RO 5 Po P₁ P₂ P3 where Cij denote maximum claim of process i for resource j. The total number of units of each resource type is given by the vector R₁ 1 1 6 1 R1 8 R2 R₂ 4 4 13 6 15 The current allocation of resources is given by the matrix A Ro R₁ 0 1 2 0 1 2 1 0 where Aij denotes the units of resources of type j currently allocated to process i. For the state shown above, determine if a new request by process P₁ for 1 unit of resource R₁ can be safely granted. (Remark: You can assume that the system state above does not yet consider this request.) R₂ 4 1 1 3

Consider the following maximum-claim reusable resource system with four processes (Po, P₁, P2, P3) and three resource types (Ro, R₁, R₂). The maximum claim matrix C is given by Po P₁ P₂ P3 Ro 4 3 5 1 RO 5 Po P₁ P₂ P3 where Cij denote maximum claim of process i for resource j. The total number of units of each resource type is given by the vector R₁ 1 1 6 1 R1 8 R2 R₂ 4 4 13 6 15 The current allocation of resources is given by the matrix A Ro R₁ 0 1 2 0 1 2 1 0 where Aij denotes the units of resources of type j currently allocated to process i. For the state shown above, determine if a new request by process P₁ for 1 unit of resource R₁ can be safely granted. (Remark: You can assume that the system state above does not yet consider this request.) R₂ 4 1 1 3

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Consider the following maximum-claim reusable resource system with four processes (P0, P1, P2, P3) and three resource types (R0, R1, R2). The maximum claim matrix C is given as: R0 R1 R2 P0 4 1 4 P1 3 1 4 P2 5 6 13 P3 1 1 6 Where Cij denotes the maximum claim of the process i for resource j. The total number of units of each resource type is given by the vector: R0 R1 R2 5 8 15 The current allocation of resources is given by matrix A: R0 R1 R2 P0 0 1 4 P1 2 0 3 P2 1 4 1 P3 1 0 3 Answer the following question about the system: For the system state shown above, determine if a new request by process P2 for 6 units of resource R2 can be safely granted. (Remark: You can assume that the system state above does not yet accommodate this request.). Explain your reasoning. If the request cannot be safely granted, how should the system behave with respect to the request?
Consider the following maximum-claim reusable resource system with four processes (PO, P1, P2, P3) and three resource types (RO, R1, R2). The maximum claim matrix C is given by: R1 R2 PO 4 1 4 P1 3 1 4 P2 5 6 13 P3 1 1 6 where Cij denotes the maximum claim of process i for resource j. The total number of units of each resource type is given by the vector R1 8 R2 15 The current allocation of resources is given by the matrix A RO 5 PO P1 P2 P3 RO 0 2 1 1 RO R1 1 0 4 0 R2 4 3 1 3 Answer the following questions about the system (you do not need to draw any graphs): 1) Determine if the current state of the system is safe. Explain your reasoning and calculation path.
Consider the following maximum-claim reusable resource system with four processes (PO, P1, P2, P3) and three resource types (RO, R1, R2). The maximum claim matrix C is given by: RO PO 4 P1 3 P2 5 6 P3 1 1 where Cij denotes the maximum claim of process i for resource j. The total number of units of each resource type is given by the vector R2 15 The current allocation of resources is given by the matrix A RO 5 PO P1 P2 P3 RO 0 2 1 1 R1 8 R1 1 1 R1 1 0 4 0 R2 4 4 13 6 R2 4 3 1 3 Answer the following questions about the system (you do not need to draw any graphs): 2) For the system state shown above, determine if a new request by process P2 for 6 units of resource R2 can be safely granted. (Remark: You can assume that the system state above does not yet take into account this request.). Explain your reasoning. If the request cannot | be safely granted, how should the system behave with respect to the request?
Consider the following maximum-claim reusable resource system with four processes and three resource types. The maximum claim matrix is given by [4 1 4 3 1 C = 5 6 13 4 l1 1 6 where Cij denote maximum claim of process I for resource j. The total units of each resource type are given by the vector (5, 8, 15). The current allocation of resources is given by the matrix [0 1 4] 2 03 A = 1 4 1 l1 0 3] where aij denotes the units of resource type j currently allocated to process i. The processes and resources are both indexed from 0. 1. Determine if the current state of the system is safe. 2. Determine if a request by process 2 for 4 units of resource 2 can be safely granted.
Given the following state of system: the system comprises of four processes and three resources. P1 – P4 denotes the set of processes R1 – R3 denotes the set of resources Claim Matrix C R1 R2 R3 P1 4 5 3 P2 3 2 3 P3 1 2 3 P4 1 0 2 Allocation Matrix A R1 R2 R3 P1 2 2 0 P2 3 2 0 P3 1 1 3 P4 0 0 2 Available Matrix V R1 R2 R3 0 3 2 Compute the Resource vector R. (08) Compute the need Matrix Is the current allocation state safe? If, give a safe sequence of the process. In addition, show how the Available (working array) changes as each process terminates.
The four conditions (mutual exclusion, hold and wait, no pre-emption and circular wait) are necessary for a resource deadlock to occur. Give an example to show that these conditions are not sufficient for a resource deadlock to occur. When are these conditions sufficient for a resource deadlock to occur? Use a resource allocation graph to illustrate your answer
Consider a system with five processes and three resource type. Resource type X has 7 instances, resource type Y has 10 instances and resource type Z has 5 instances. Suppose that at time 0, the following snapshot of the system has been taken. What is the content of the matrix Need?
QUESTION TWO A. (i) Describe Banker’s algorithm for deadlock avoidance with supporting example (ii)Consider a computer system with has four identical units of a resource R. There are three processes each with a maximum claim of two units of resource R. Processes can request these resources in anyway, that is, two in one shot or one by one. The system always satisfies a request a request for a resource if enough resources are available. If the process doesn’t request any other kind of resource, show that the system never deadlock B. Give a solution for the following synchronization problem using semaphores (i)Producer- Consumer Problem (ii)Readers- Writers Problem C. List out the issues in preprocessor scheduling that causes performance degradation in multiprocessor systems
Given 4 processes PO to P3, and 3 resource types: A (7 instances), B (3 instances), and C (5 instances). Suppose a snapshot taken for the system at time To as follows: Allocation Мах Available ABC ABC ABC Po 200 4 1 2 111 P1 10 1 1 1 2 P2 3 1 1 4 3 1 P3 0 1 2 3 2 4 A- Apply Banker's algorithm to determine if the system is in a SAFE or UNSAFE state? Note: show all the changes made to the available resources (work). B- If the system is safe, what is the execution sequence of processes that avoids deadlock? [if unsafe, just write NONE] C- To avoid deadlock, can a request for resources (1,2,0) by P2 be granted? why?
Question 15 Match the laser printing process step number with related term: Sweeping blade 1 2 3₂2 4 5 6 7 Cleaning Fusing roller cleaner Primary charging roller Fusing assemb Fusing Charging Stade charge c Exposing Developing Developing cylinder Transfer charging roller Processing Transferring ✓ [Choose ] Negative static charge laser positive static charge PCL magnet hot leftover toner [Choose] [Choose] [Choose] [Choose ]
A personnel director wishes to compare the effectiveness of two methods of train- ing industrial employees to perform a certain assembly operation. Employees are to be divided into two equal groups: the first receiving training method 1 and the sec- ond training method 2. Each will perform the assembly operation, and the length of assembly time will be recorded. It is expected that the assembly times for both groups will have a range of approximately 8 minutes. For the estimate of the difference in mean times to assemble to be correct to within minute with a probability equal to .95, how many workers must be included in each training group? 16c3d JPG Fi DO
Read the following scenario and answer the questions given bellow.• A car rental company has its offices in three major cites of the area. Acostumer once registered with the company, can avail its services from anynearby office. Every office keeps record of the vehicles, their drivers andrenting details. Salaries of administrative staff are controlled at a single sitewhile the drivers are paid (according to the services they provide) from their local office. Rates for famous tourism spots are fixed (with a slight difference for different vehicles), while other spots are charged according to the mileage covered. 1. Identify the entities involved in the database designed for thecompany.2. Draw GCS for the system.3. Give details of any of the relations replicated on more than one sites