Model the states of a process and create a program to predict the next state of a process given the current state input. Take into account the interrupts and I/O events. STATES : new, ready, running, waiting, terminated. 1. Ask for current state. 2. Model the next states for each state. 3. Output the next state.

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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Model the states of a process and create a program to predict the next state of a process given the current state input. Take into account the interrupts and I/O events.


STATES : new, ready, running, waiting, terminated.
1. Ask for current state.
2. Model the next states for each state.
3. Output the next state.

new
admitted
interrupt
exit
terminated
ready
running
scheduler dispatch
1/O or event completion)
1/O or event wait
waiting
Transcribed Image Text:new admitted interrupt exit terminated ready running scheduler dispatch 1/O or event completion) 1/O or event wait waiting
Sample :
Case 1:
State Predictor
States: new, ready, running, waiting, terminated
Current state: ready
Next state: running
Case 2:
State Predictor
States: new, ready, running, waiting, terminated
Current state: waiting
I/0 Completed? (Enter y/n) ===>y
Next state: ready
Transcribed Image Text:Sample : Case 1: State Predictor States: new, ready, running, waiting, terminated Current state: ready Next state: running Case 2: State Predictor States: new, ready, running, waiting, terminated Current state: waiting I/0 Completed? (Enter y/n) ===>y Next state: ready
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