Embedded Systems Course And Certification

What Is Embedded Systems

A system can be defined as an arrangement in which all its unit assemble to work together while following a set of rules. A System can also be defined as a way of organizing, working or doing one or lots of tasks while going by a fixed plan. For example, a watch is a system for displaying time. Its components go by a predetermined set of rules to show the current time. If one of the parts of the time system fails, the watch would stop working. So with this, we can say that in a system, all the subcomponents depend on each other to function.

An Embedded System can be developed as a microcontroller-based, reliable, software-driven real-time control system, that is designed and developed to carry out a particular task. An Embedded System can be classified as a computer hardware system that has software Embedded in it. An Embedded System could be a system that is independent or it can be a system that is part of a large System.

An Embedded System can also be defined as something that can be attached to another thing. It can be simply thought of as a computer hardware system that has software Embedded in it. An Embedded System as stated before is a microcontroller or microprocessor-based system which is designed to perform a specific task. A fire alarm is an example of an Embedded System; it will sense and detect only smoke.

Features And Characteristics Of Embedded Systems

There are lots of features of an Embedded System and some of them are:

1. Single-functioned: An Embedded System basically carries out only a specialized job and it does the same thing over and over. For example: A pager would always work as a pager.

2. Tightly constrained: All systems for computing have limitations on their design metrics, but those that are on an embedded system can be specifically tight. Design metrics are simply a measure of an implementation's features such as its size, cost, performance, and power. It must be of a size that is able to fit on a small single chip and must be able to perform fast enough to process data gotten from real-time events and it would consume minimum power to extend battery life.

3. Reactive and Real-time: Embedded Systems should be able to continually react to the changes in the system's environment and it must be able to calculate certain results in real-time without any delay. Take for example a car cruise controller, it continuously gathers, monitors and reacts to the speed and the brake sensors, it must be able to compute acceleration or de-accelerations continuously within a limited time; a delayed computation can bring about failure to control of the car.

4. Microprocessors based: Embedded Systems must be microprocessor or microcontroller-based.

5. Memory: Embedded Systems must have a memory since its software usually embeds in the system’s ROM. It does not need any secondary or additional memories on the computer.

6. Connected: An Embedded System must have connected peripherals to be able to connect input and output devices.

Benefits And Advantages Of Embedded Systems

There are lots of benefits and advantages of an Embedded Systems and some of them are:

1. Embedded Systems Are easily customizable. 

2. Embedded Systems can work to its maximum capacity while consuming lesser power.

3. Embedded Systems are cheaper to implement.

4. Embedded Systems ensure that your hardware performance is optimized and enhanced.


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