Definition
Real-time systems play a considerable role in our society, and they cover a spectrum from the very simple to the very complex. Examples of current real-time systems include the control of domestic appliances like washing machines and televisions, the control of automobile engines, telecommunication switching systems, military command and control systems, industrial process control, flight control systems, and space shuttle and aircraft avionics.

All of these involve gathering data from the environment, processing of gathered data ....etc

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please send this seminar for me please it is very nessasary for me ....etc

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Real Time Operating Systems for Networked Embedded Systems


Fire Alarm System

Problem
Hundreds of sensors, each fitted with Low Range Wireless
Sensor information to be logged in a server & appropriate action initiated
Possible Solution
Collaborative Action
Routing
Dynamic – Sensors/controllers may go down
Auto Configurable – No/easy human intervention.
Less Collision/Link Clogging
Less no of intermediate nodes
Fast Response Time
Secure

....etc

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Scheduling Objectives
 Enforcement of fairness
 in allocating resources to processes
 Enforcement of priorities
 Make best use of available system resources
 Give preference to processes holding key resources.
 Give preference to processes exhibiting good behavior.
 Degrade gracefully under heavy loads.
Program Behavior Issues
 I/O boundedness
 short burst of CPU before blocking for I/O
 CPU boundedness
 extensive use of CPU before blocking for I/O
 Urgency an ....etc

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Definition
Real-time systems play a considerable role in our society, and they cover a spectrum from the very simple to the very complex. Examples of current real-time systems include the control of domestic appliances like washing machines and televisions, the control of automobile engines, telecommunication switching systems, military command and control systems, industrial process control, flight control systems, and space shuttle and aircraft avionics.

All of these involve gathering data from the environment, processing of gathered data ....etc

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Real-Time Operating Systems



Prof. Stephen A. Edwards


What’s an Operating System?


Provides environment for executing programs

Process abstraction for multitasking/concurrency
Scheduling
Hardware abstraction layer (device drivers)
Filesystems
Communication

We will focus on concurrent, real-time issues
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ABSTRACT
Within the last ten years real-time systems research has been transformed from a
niche industry into a mainstream enterprise with clients in a wide variety of industries
and academic disciplines. It will continue to grow in importance and affect an increasing
number of industries as many of the reasons for the rise of its prominence will persist for
the foreseeable future.
What is RTOS?
Real Time Computing and Real Time Operating Systems( RTOS ) is an
emerging discipline in software engineering. This is an embedded technology w ....etc

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ABSTRACT
Real-time systems play a considerable role in our society, and they cover a spectrum from the very simple to the very complex. Examples of current real-time systems include the control of domestic appliances like washing machines and televisions, the control of automobile engines, telecommunication switching systems, military command and control systems, industrial process control, flight control systems, and space shuttle and aircraft avionics.
All of these involve gathering data from the environment, processing ....etc

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Raphael A. Finkel


PREFACE
Traditionally, a vade mecum (pronounced ‘‘VAHdee MAYkem’’) is a laboratory manual that guides the student step by step through complex procedures. Operating systems are complex mixtures of policy and mechanism, of algorithm and heuristic, and of theoretical goals and practical experience. This vade mecum tries to unify these diverse points of view and guide the novice step by step through the complexities of the subject. As a text, this book is intended for a first course in operating systems a ....etc

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