21. Take a careful look at Fig. 6-11(b). If D asks for one more unit, does this lead to a safe state or an unsafe one? What if the request came from C instead of D? Has MaxHas MaxHas MaxA 06A 1 6A6B 051| 5в | 25co4D07c2 4D 47c| 24D47Free: 10Free: 2Free: 1(a)(b)(c)Figure 6-11. Three resource allocation states: (a) Safe. (b) Safe. (c) Unsafe.

Answered: Image /qna-images/answer/0064ece8-2759-42ad-8aae-ee96e88b7f4b.jpg

Has Max Has Max Has Max A1 6 A 06 Bo5 co4 D07 A 1 6 B 1 5 B| 2 5 c 2 4 C 2 4 D 4 7 D 7 4 Free: 10 Free: 2 Free: 1 (a) (b) (c) Figure 6-11. Three resource allocation states: (a) Safe. (b) Safe. (c) Unsafe.

Has Max Has Max Has Max A1 6 A 06 Bo5 co4 D07 A 1 6 B 1 5 B| 2 5 c 2 4 C 2 4 D 4 7 D 7 4 Free: 10 Free: 2 Free: 1 (a) (b) (c) Figure 6-11. Three resource allocation states: (a) Safe. (b) Safe. (c) Unsafe.

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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Question

21. Take a careful look at Fig. 6-11(b). If D asks for one more unit, does this lead to a safe state or an unsafe one? What if the request came from C instead of D?

Has Max
Has Max
Has Max
A 06
A 1 6
A
6
B 05
1| 5
в | 2
5
co4
D07
c2 4
D 47
c| 2
4
D
4
7
Free: 10
Free: 2
Free: 1
(a)
(b)
(c)
Figure 6-11. Three resource allocation states: (a) Safe. (b) Safe. (c) Unsafe.

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