Assume the following scenario.Resource instancesOne instance of resource type R1One instance of resource type R2One instance of resource type R3One instance of resource type R4One instance of resource type R5One instance of resource type R6Process statesProcess P1 is holding R2 and is waiting for an instance of resource type R1Process P2 is holding an instance of R1 and is waiting for an instance of R3, an instance of R4 and an instance of R5.Process P3 is holding an instance of R4 and is waiting for an instance of R5.Process P4 is holding an instance of R5 and is waiting for an instance of R2 and R6Process P5 is holding an instance of R3 and waiting for R6.Design a Resource Allocation Graph and determine the Wait-for-Graph. Also, identify if there is an occurrence of deadlock state among the processes.

Resource instances One instance of resource type R1 One instance of resource type R2 One instance of resource type R3 One instance of resource type R4 One instance of resource type R5 One instance of resource type R6

Resource instances One instance of resource type R1 One instance of resource type R2 One instance of resource type R3 One instance of resource type R4 One instance of resource type R5 One instance of resource type R6

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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Concept explainers

Design of user interface

The complete process of designing the user interfaces in software or the various digital devices with an emphasis on the appearance or style is known as user interface (UI) design. The User interface (UI) design is defined as the technique that is used by the designers to produce visually pleasant software or digital device interfaces. The designers just strive to design user interfaces that are simple to use and are enjoyable to use. Graphic user interfaces and other sorts of user interfaces, such as voice-controlled interfaces, are referred to as UI design. The user interface design anticipates what users will do and incorporates elements that make those actions easy to access, understand, and utilize. The user interface includes interaction design, visual design, and information arrangement.

Question

Assume the following scenario.
Resource instances
One instance of resource type R1
One instance of resource type R2
One instance of resource type R3
One instance of resource type R4
One instance of resource type R5
One instance of resource type R6
Process states
Process P1 is holding R2 and is waiting for an instance of resource type R1
Process P2 is holding an instance of R1 and is waiting for an instance of R3, an instance of R4 and an instance of R5.
Process P3 is holding an instance of R4 and is waiting for an instance of R5.
Process P4 is holding an instance of R5 and is waiting for an instance of R2 and R6
Process P5 is holding an instance of R3 and waiting for R6.
Design a Resource Allocation Graph and determine the Wait-for-Graph. Also, identify if there is an occurrence of deadlock state among the processes.

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