Consider two resources are available and value of semaphore is 2. Now consider operations P() and V() and their execution sequenceP(), P(), V(), P(), P(), V(), P(), P(), P(), V(), V(), P(). Answer the followings after the completion of above functions: Number of process which are sleeping on P()? What will be the value of semaphore?

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
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  • Consider two resources are available and value of semaphore is 2. Now consider operations P() and V() and their execution sequenceP(), P(), V(), P(), P(), V(), P(), P(), P(), V(), V(), P(). Answer the followings after the completion of above functions:
  1. Number of process which are sleeping on P()?
  2. What will be the value of semaphore?
  3. Number of available resources?
  • Find the value of logical address and limit register. The value of base register is 400K and value of physical address is 532k.
Interrupt
800K
Partition 4
700K
Limit Register
Comparator
Partition 3
400K
Partition 2
Base Register
Adder
200K
Partition 1
100K
Memory Mạnagement
Unit (MMU)
|Operating
System
Logical Address
Physical Address
Transcribed Image Text:Interrupt 800K Partition 4 700K Limit Register Comparator Partition 3 400K Partition 2 Base Register Adder 200K Partition 1 100K Memory Mạnagement Unit (MMU) |Operating System Logical Address Physical Address
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