A system has 5 processes and 5 types of resources. The current state of the system is asfollows:Process Allocated (C) Requested (R)30210Available (A)A 122 1II14 13 12II2100 10211 21II310 12 100312II40100321130II5101 1 202110What is the smallest values of X for which the system is in a safe state? Justify youranswer.

The necessary steps for finding the smallest value of λ that keeps the system in a safe state. Step…

Answered: A system has 5 processes and 5 types of…

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

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Consider a computer system which 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 any way that is, two in one shot or one by one. The system always satisfies a request for a resource if enough resources are available. If the processes don't request any other kind of resource, show that the system never deadlocks?
An operating system has three user processes, and each of these processes consumes two units of the resource R. The operating system consumes a total of twelve units via R. The absolute minimum number of R units required to preclude the chance of deadlocks occurring is
Considering a system with five processes P0 through P4 and four resources of type A, B, C,D. Suppose at time t0 following snapshot of the system has been taken: Allocation A B C D Max A B C D Available A B C D P0 0 0 1 1 0 0 1 2 1 4 2 1 P1 10 0 0 1 7 5 0 P2 1 3 5 4 2 3 5 6 P3 0 6 3 2 0 6 5 2 P4 0 1 1 4 0 6 5 6 Answer the following questions using the banker’s algorithm: What is the content of the matrix Need? Is the system in a safe state? Find the safe sequence If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately?
In a computer system five processes are attempting to proceed with three resource types. The total units of system resources are: (8,9,7). The maximum demands for every process are: P1(3,1,1), P2(3,3,2), P3(5,3,2), P4(5,1,2), P5(8,4,3). The current allocation is: P1 (0,1,1), P2 (2,1,1), P3 (3,1,2), P4 (1,1,1), and P5 (2,3,2). Is this state a safe state? Explain your answer. Please explain in great detail so i can understand .
Consider the following snapshot of a system: Allocation Маx Available ABCD ABCD ABCD PO 2001 4212 3321 P1 3121 5252 P2 2103 2316 P3 1312 1424 P4 1432 3665 a. Illustrate that the system is in a safe state by demonstrating an order in which the processes may complete.
A system has four processes and five allocatable resources. The current allocation and maximum needs are as follows: Allocated Maximum Available Process A 102111121300x11 20110 22210 11010 21310 11110112 21 Process B Process C Process D The smallest value of x for which the above system in safe state is
A system has 5 processes and 5 types of resources. The current state of the system is as follows: Process Allocated (C) Requested (R) Available (A) II₁ 1 2 2 3 1 0 3 3 3 3 A 2 4 1 7 II2 2 120 1 6 23 2 3 II3 5 1 002 9 322 0 II4 202 1 1 3 1 402 II5 2011 0 12 4 505 What is the smallest values of \ for which the system is in a safe state? Justify your answer.
An operating system contains 3 user processes, each process requiring 2 units of the resource R. The minimum number of units ofR required such that there is no possibility of deadlock on R is A 6 B 3 С 5 D 4
Three periodic processes of an operating system has P(burst time, period) as follows: P1(4,20), P2(6,10), P3(12,30). Which of the following is true when these processes are scheduled with Rate-Monotonic scheduling algorithm that assigns priorities proportional to periods (shorter period has higher priority). a)No process misses a deadline b)Only P3 misses its deadline c)P1, P2 and P3 all miss their deadlines d)P2 and P3 both miss their deadlines
An operating system has three user processes, and each of these processes consumes two units of the resource R. The operating system consumes a total of twelve units via R. The absolute minimum number of R units required to preclude the chance of deadlocks occurring is
Three processes that share five resources of the same kind make constitute a system. For each process, a maximum of two resources are needed. Establish that the system is free of deadlocks.

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