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Questions and Answers
What is the purpose of the Requirements Diagram?
Which diagram shows the chronological order of messages exchanged between elements?
What is the purpose of the Internal Block Diagram?
Which diagram shows the behavior of the system, including the choices and actions taken?
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What is the purpose of the Block Definition Diagram?
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Which diagram shows the different states of the system and how it changes from one state to another?
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What is Systeme L used for?
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How many diagrams are classified into three groups in Systeme L?
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What type of diagram shows how the system behaves?
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What is the Diagramme des Exigences used for?
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How many behavioral diagrams are there in Systeme L?
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What is the Diagramme des Blocs Internes used for?
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What is the purpose of the store automation system example?
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What type of sensors are used in the store automation system example?
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Study Notes
Introduction to Systeme L
- Systeme L is a tool used to represent technical objects through diagrams, also known as diagrams of systems.
- Systeme L is an acronym for "Langage de Modelisation de Systemes", which translates to "Systems Modeling Language" in English.
- It is a language that uses diagrams to model systems, and it is used to represent technical objects in technology.
Diagrams of Systeme L
- There are 11 diagrams in Systeme L, classified into three groups: functional, behavioral, and structural.
- Only 2-3 diagrams are used at the college level.
- The diagrams are:
- Functional diagrams: explain what the system must do.
- Behavioral diagrams: show how the system behaves.
- Structural diagrams: show how the system is constructed.
Functional Diagrams
- There is only one functional diagram, the "Diagramme des Exigences" (Requirements Diagram).
- This diagram is like a functional specification of the system, specifying what the system must do.
Behavioral Diagrams
- There are four behavioral diagrams:
- Diagramme d'Activité (Activity Diagram): shows the sequence of actions during the system's operation.
- Diagramme de Séquences (Sequence Diagram): shows the chronological order of messages exchanged between elements.
- Diagramme d'État (State Diagram): shows the different states of the system and how it changes from one state to another.
- Diagramme des Cas d'Utilisation (Use Case Diagram): shows the interactions between actors and the system.
Structural Diagrams
- There are two structural diagrams:
- Diagramme de Définition de Blocs (Block Definition Diagram): shows the different components of the system and how they are related.
- Diagramme des Blocs Internes (Internal Block Diagram): shows how the system's components interact with each other.
Example of a Store Automation System
- A store automation system is used as an example to illustrate the different diagrams.
- The system has a light sensor, a wind sensor, and a manual control.
- The system's requirements include:
- Measuring the amount of sunlight.
- Measuring the wind speed.
- Automatically rolling out the awning.
- Being able to be manually controlled.
- Being powered by energy.
Diagramme des Exigences (Requirements Diagram)
- This diagram is like a functional specification of the system.
- It shows the system's requirements, including its primary mission and secondary missions.
Diagramme des Cas d'Utilisation (Use Case Diagram)
- This diagram shows the interactions between actors and the system.
- It shows the services provided by the system to the actors.
Diagramme de Séquences (Sequence Diagram)
- This diagram shows the chronological order of messages exchanged between elements.
- It shows the interactions between the system and its environment.
Diagramme de Définition de Blocs (Block Definition Diagram)
- This diagram shows the different components of the system and how they are related.
- It shows the system's internal structure.
Diagramme des Blocs Internes (Internal Block Diagram)
- This diagram shows how the system's components interact with each other.
- It shows the flow of information, energy, and matter within the system.
Diagramme d'État (State Diagram)
- This diagram shows the different states of the system and how it changes from one state to another.
- It shows the system's behavior over time.
Diagramme d'Activité (Activity Diagram)
- This diagram shows the behavior of the system, including the choices and actions taken.
- It is similar to an algorithmic diagram.
Systeme L Overview
- Systeme L is a tool used to represent technical objects through diagrams, also known as diagrams of systems.
- It is an acronym for "Langage de Modelisation de Systemes", which translates to "Systems Modeling Language" in English.
Diagrams of Systeme L
- There are 11 diagrams in Systeme L, classified into three groups: functional, behavioral, and structural.
- Only 2-3 diagrams are used at the college level.
Functional Diagrams
- There is only one functional diagram, the "Diagramme des Exigences" (Requirements Diagram).
- The Requirements Diagram is like a functional specification of the system, specifying what the system must do.
Behavioral Diagrams
- There are four behavioral diagrams:
- Diagramme d'Activité (Activity Diagram) shows the sequence of actions during the system's operation.
- Diagramme de Séquences (Sequence Diagram) shows the chronological order of messages exchanged between elements.
- Diagramme d'État (State Diagram) shows the different states of the system and how it changes from one state to another.
- Diagramme des Cas d'Utilisation (Use Case Diagram) shows the interactions between actors and the system.
Structural Diagrams
- There are two structural diagrams:
- Diagramme de Définition de Blocs (Block Definition Diagram) shows the different components of the system and how they are related.
- Diagramme des Blocs Internes (Internal Block Diagram) shows how the system's components interact with each other.
Diagram Descriptions
- The Requirements Diagram shows the system's requirements, including its primary mission and secondary missions.
- The Use Case Diagram shows the services provided by the system to the actors.
- The Sequence Diagram shows the interactions between the system and its environment.
- The Block Definition Diagram shows the system's internal structure.
- The Internal Block Diagram shows the flow of information, energy, and matter within the system.
- The State Diagram shows the system's behavior over time.
- The Activity Diagram shows the behavior of the system, including the choices and actions taken.
Store Automation System Example
- A store automation system is used as an example to illustrate the different diagrams.
- The system has a light sensor, a wind sensor, and a manual control.
- The system's requirements include measuring the amount of sunlight, measuring the wind speed, automatically rolling out the awning, being able to be manually controlled, and being powered by energy.
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Description
Get familiar with Systeme L, a language used to model systems through diagrams, and its application in technology to represent technical objects.
