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Consider the following snapshot of a system with four resource types R1, R2, R3 and R4, and four processes A, B, C and D: R₁ 1 1 A B C 1 D 0 Allocation R₂ Rs 0 1 1 0 0 0 1 0 R₂ R₁ 1 0 0 0 0 1 0 Request R$ 0 R₂ 1 1 0 0 Available R₂ R₁ R₂ 0 0 0 1 0 0 0 1 0 R₂ R₂ 0 0 Is the system in a deadlock state? If the system is in a deadlock state, list all processes that involve in a deadlock. Show your computation step-by-step; otherwise, you will receive no credit.

Consider the following snapshot of a system with four resource types R1, R2, R3 and R4, and four processes A, B, C and D: R₁ 1 1 A B C 1 D 0 Allocation R₂ Rs 0 1 1 0 0 0 1 0 R₂ R₁ 1 0 0 0 0 1 0 Request R$ 0 R₂ 1 1 0 0 Available R₂ R₁ R₂ 0 0 0 1 0 0 0 1 0 R₂ R₂ 0 0 Is the system in a deadlock state? If the system is in a deadlock state, list all processes that involve in a deadlock. Show your computation step-by-step; otherwise, you will receive no credit.

Database System Concepts
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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2. Consider the following snapshot of a system with four resource types R1, R2, R3 and R4, and four processes A, B, C and D: A B C D R₁ 1 1 1 0 Allocation R$ 1 0 1 1 0 0 R₂ 0 1 0 0 R₁ R₁ 1 0 0 0 Request R₂ R3 0 1 1 1 R₁ 0 0 0 0 Available R₁ R₁ R₂ R$ 0 0 0 0 0 0 1 0 1 0 Is the system in a deadlock state? If the system is in a deadlock state, list all processes that involve in a deadlock. Show your computation step-by-step; otherwise, you will receive no credit.
Transcribed Image Text:2. Consider the following snapshot of a system with four resource types R1, R2, R3 and R4, and four processes A, B, C and D: A B C D R₁ 1 1 1 0 Allocation R$ 1 0 1 1 0 0 R₂ 0 1 0 0 R₁ R₁ 1 0 0 0 Request R₂ R3 0 1 1 1 R₁ 0 0 0 0 Available R₁ R₁ R₂ R$ 0 0 0 0 0 0 1 0 1 0 Is the system in a deadlock state? If the system is in a deadlock state, list all processes that involve in a deadlock. Show your computation step-by-step; otherwise, you will receive no credit.
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