E Learning 252m38
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Software Requirement Specification For E-learning
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3able of Contents 1. Introduction ’ ’ Purpose ’ Document Conventions ’ Intended Audience and Reading Suggestions ’ Project Scope . Overall Description ’ Product Perspective Product Features Classes and Characteristics Operating Environment Design and Implementation Constraints Documentation Assumptions and Dependencies UML Diagrams 3. System Features ’ System Feature ’ 4. External Interface Requirements ’ Interfaces Hardware Interfaces Software Interfaces Communications Interfaces 5. Other Nonfunctional Requirements ’ Performance Requirements Safety Requirements Security Requirements Software Quality Attributes
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1.?IN3RODUC3ION Online e-learning system provides is specifically developed for online studying This system provides two s and students provides books, materials, presentations, online exams, gives the result and percentage Student can access all the information details
’ ’? PURPOSE: The main purpose of e-learning is to provide virtual class room to student Once the student to this portal, he can search whatever course he want to do and finish the same by going through various documents ed available After the course is finished
’ ? Document Conventions: The typographical conventions have been used to make this document more readable The material written in bold format is considered to be of relative importance Material written in Times New Roman has been taken from other useful sources
’ Intended Audience and reading suggestions: The document has been written in a way that is very helpful for design time of our group This document is also intended to target the developer¶s team The Rest of the document will give you all the details of the project that has been laid down after very careful analysis Readers may not understand the document if they skip some page £? 2dministrator: The can various courses, books, materials, presentation to their students He can search the details of the particular student £? Students: After the student select the branch He can books, materials, presentations
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’ Project Scope:This Project investigates the entry threshold for providing a new service to the students through online £? Student must have a valid Id and to to the system £? After the valid he is shown the list of details available on £? On selecting the desired option he is taken to a page which shows all the detail he wants £? can take a back up of the database for every instance that is happening, periodically £?
All s are authenticated to avail the services
.Overall Description: The following sections describe the general factors that affect the product and its requirements Student must have a valid Id and to to the system After the valid he is shown the list of details available on On selecting the desired option he is taken to a page which shows the details he needed Student can get the required material as softcopy for free of cost Student can also request the university people to share their own documents which can help other students Information is available at anytime, anywhere as desired by the student
’ Product Perspective: The student will have client interface in which he can interact with the e-learning portal It is a web based interface which will be the web page of the e-learning application Starting a page is displayed asking to as ??
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student, in this page we can sign up and create new as student Then the page is redirected to home page where the can enter the details as required if it is valid The will have an istrative interface which is a GUI so that he can view the entire portal system He will also have a page where he can enter the particulars so that he can perform all his actions like ing of courses, books, materials, presentation Search student details etc
Product Features: The e-learning portal system consists of following ’? : This module allows to and the courses, books, materials, presentations, he also checks student details ’ ’? Student details: This module contains details about Student £? Search student details: In this module we can know student details
’ Course: In this module we can select what type of course needed ’ : In this module the can books, materials, presentations ’ : s the page
?Student : This module allows valid student to access the functionalities provided by the portal
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’ Courses: This module contains information about book, materials, presentation available in this portal Books: In this module we can books that we need Material: In this module we can materials that we need Presentations: In this module we can Presentations that we need
Operating Environment: The operating environment of the e-learning portal for universities is based
on LANGUAGE: Java IDE
: My Eclipse
Database
: MySQL
Operating system: Windows XP
Design and Implementation Constraints £? and is used for identification of student¶s and there is no facility for non s to £? This system works only on a single server £? GUI is only in English £? Limited to HTTP/HTTPS protocols
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Documentation The Documentation will be given to the along with this project as it is helpful for the further use
Assumptions and Dependencies £? The details of students such as name, , and their corresponding authority details should be manually entered by the before using this system £? Every should be comfortable of working with computer and net browsing £? He should be aware of the e-learning portal £? He must have basic knowledge of English too
.7 UML Diagrams: Use case Diagram: Use-case diagrams generally show groups of use cases ² either all use cases for the complete system, or a breakout of a particular group of use cases with related functionality (e g , all security istration-related use cases To show a use case on a use-case diagram, you draw an oval in the middle of the diagram and put the name of the use case in the center of, or below, the oval To draw an actor (indicating a system on a use-case diagram, you draw a stick person to the left or right of your diagram
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Use case diagram for :
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Use case diagram for Student: @
Customer: Ordinary student have a id & with which they can into their They can perform all the actions such as ing books, materials, presentations : student can to the system by providing appropriate id and provided by the Homepage: After logging in the is provided with a screen showing the details of s and he selects one of the actions in order to perform his operation Courses: He can view the courses available in this portal Name of Use-Case: Description: Student must provide a valid Id and to to the system
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{reconditions: Student must have a valid Id and to to the system
Class diagram: The class diagram shows how the different entities (people, things, and data relate to each other; in other words, it shows the static structures of the system A class diagram can be used to display logical classes, which are typically the kinds of things the business people in an organization talk about
Class diagrams can also
be used to show implementation classes, which are the things that programmers typically deal with An implementation class diagram will probably show some of the same classes as the logical classes diagram The implementation class diagram won't be drawn with the same attributes, however, because it will most likely have references to things like Vectors and Hash
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Class diagram for 2dministrator:
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Class diagram for Student:
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Sequence diagram: Sequence diagrams show a detailed flow for a specific use case or even just part of a specific use case They are almost self explanatory; they show the calls between the different objects in their sequence and can show, at a detailed level, different calls to different objects A sequence diagram has two dimensions: The vertical dimension shows the sequence of messages/calls in the time order that they occur
Sequence diagram for 2dministrator:
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Sequence diagram for student:
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2ctivity diagram: Activity diagrams show the procedural flow of control between two or more class objects while processing an activity Activity diagrams can be used to model higher-level business process at the business unit level, or to model low-level internal class actions In my experience, activity diagrams are best used to model higher-level processes, such as how the company is currently
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doing business, or how it would like to do business This is because activity diagrams are "less technical" in appearance, compared to sequence diagrams, and business-minded people tend to understand them more quickly
2ctivity diagram for 2dminstrator :
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2ctivity diagram for Student:
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E
NO
YES
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Component diagram: A component diagram provides a physical view of the system Its purpose is to show the dependencies that the software has on the other software components
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(e g , software libraries in the system The diagram can be shown at a very high level, with just the large-grain components, or it can be shown at the component package level [Note: The phrase component package level is a programming language-neutral way of referring to class container levels such as Net¶s namespaces (e g , System Web UI or Java's packages (e g , java util
Component diagram for 2dministrator:
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Component diagram for student:
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Deployment diagram: The deployment diagram shows how a system will be physically deployed in the hardware environment Its purpose is to show where the different components of the system will physically run and how they will communicate with each other Since the diagram models the physical runtime, a system's production staff will make considerable use of this diagram The notation in a deployment diagram includes the notation elements used in a component diagram, with a couple of additions, including the concept of a node A node represents either a physical machine or a virtual machine node (e g , a mainframe node To model a node, simply draw a three-dimensional cube with the name of the node at the top of the cube Deployment diagram for 2dministrator :
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Deployment diagram for Student:
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3. System Features The ³e-learning portal for universities´ is an independent system The system is a Web based application which is used to students to do their courses in online
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Takes data from the student
?
Interact with the database for the data storing
4. Non Functional Requirements ?
? ? ?
System can withstand even though many no of employers request the desired service Access is given to only valid s of the application who requires the services such as leave request leave balance, leave status S2FE3Y REQUIREMEN3S: By incorporating a robust and proven DB UDB into the system, reliable performance and integrity of data is ensured There must be a power backup for server system Since the product is of x availability there should be power backup for server which provides the information Every day the data should be backup even when the operation of an is not successful i e , while performing the operation power failure occurs then data should be backup 3 SECURI3Y REQUIREMEN3S: Sensitive data is protected from unwanted access by ¶s appropriate technology and implementing strict -access criteria Facility of unique number and in such a way that unauthorized cannot Operational rights for each /terminal can be defined Thus, a can have access to specific terminals and specific options only
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Software Requirement Specification For E-learning
??
??
c
3able of Contents 1. Introduction ’ ’ Purpose ’ Document Conventions ’ Intended Audience and Reading Suggestions ’ Project Scope . Overall Description ’ Product Perspective Product Features Classes and Characteristics Operating Environment Design and Implementation Constraints Documentation Assumptions and Dependencies UML Diagrams 3. System Features ’ System Feature ’ 4. External Interface Requirements ’ Interfaces Hardware Interfaces Software Interfaces Communications Interfaces 5. Other Nonfunctional Requirements ’ Performance Requirements Safety Requirements Security Requirements Software Quality Attributes
??
??
c
1.?IN3RODUC3ION Online e-learning system provides is specifically developed for online studying This system provides two s and students provides books, materials, presentations, online exams, gives the result and percentage Student can access all the information details
’ ’? PURPOSE: The main purpose of e-learning is to provide virtual class room to student Once the student to this portal, he can search whatever course he want to do and finish the same by going through various documents ed available After the course is finished
’ ? Document Conventions: The typographical conventions have been used to make this document more readable The material written in bold format is considered to be of relative importance Material written in Times New Roman has been taken from other useful sources
’ Intended Audience and reading suggestions: The document has been written in a way that is very helpful for design time of our group This document is also intended to target the developer¶s team The Rest of the document will give you all the details of the project that has been laid down after very careful analysis Readers may not understand the document if they skip some page £? 2dministrator: The can various courses, books, materials, presentation to their students He can search the details of the particular student £? Students: After the student select the branch He can books, materials, presentations
??
??
c
’ Project Scope:This Project investigates the entry threshold for providing a new service to the students through online £? Student must have a valid Id and to to the system £? After the valid he is shown the list of details available on £? On selecting the desired option he is taken to a page which shows all the detail he wants £? can take a back up of the database for every instance that is happening, periodically £?
All s are authenticated to avail the services
.Overall Description: The following sections describe the general factors that affect the product and its requirements Student must have a valid Id and to to the system After the valid he is shown the list of details available on On selecting the desired option he is taken to a page which shows the details he needed Student can get the required material as softcopy for free of cost Student can also request the university people to share their own documents which can help other students Information is available at anytime, anywhere as desired by the student
’ Product Perspective: The student will have client interface in which he can interact with the e-learning portal It is a web based interface which will be the web page of the e-learning application Starting a page is displayed asking to as ??
??
c
student, in this page we can sign up and create new as student Then the page is redirected to home page where the can enter the details as required if it is valid The will have an istrative interface which is a GUI so that he can view the entire portal system He will also have a page where he can enter the particulars so that he can perform all his actions like ing of courses, books, materials, presentation Search student details etc
Product Features: The e-learning portal system consists of following ’? : This module allows to and the courses, books, materials, presentations, he also checks student details ’ ’? Student details: This module contains details about Student £? Search student details: In this module we can know student details
’ Course: In this module we can select what type of course needed ’ : In this module the can books, materials, presentations ’ : s the page
?Student : This module allows valid student to access the functionalities provided by the portal
??
??
c
’ Courses: This module contains information about book, materials, presentation available in this portal Books: In this module we can books that we need Material: In this module we can materials that we need Presentations: In this module we can Presentations that we need
Operating Environment: The operating environment of the e-learning portal for universities is based
on LANGUAGE: Java IDE
: My Eclipse
Database
: MySQL
Operating system: Windows XP
Design and Implementation Constraints £? and is used for identification of student¶s and there is no facility for non s to £? This system works only on a single server £? GUI is only in English £? Limited to HTTP/HTTPS protocols
??
? ?
c
Documentation The Documentation will be given to the along with this project as it is helpful for the further use
Assumptions and Dependencies £? The details of students such as name, , and their corresponding authority details should be manually entered by the before using this system £? Every should be comfortable of working with computer and net browsing £? He should be aware of the e-learning portal £? He must have basic knowledge of English too
.7 UML Diagrams: Use case Diagram: Use-case diagrams generally show groups of use cases ² either all use cases for the complete system, or a breakout of a particular group of use cases with related functionality (e g , all security istration-related use cases To show a use case on a use-case diagram, you draw an oval in the middle of the diagram and put the name of the use case in the center of, or below, the oval To draw an actor (indicating a system on a use-case diagram, you draw a stick person to the left or right of your diagram
??
? ?
c
Use case diagram for :
??
??
c
Use case diagram for Student: @
Customer: Ordinary student have a id & with which they can into their They can perform all the actions such as ing books, materials, presentations : student can to the system by providing appropriate id and provided by the Homepage: After logging in the is provided with a screen showing the details of s and he selects one of the actions in order to perform his operation Courses: He can view the courses available in this portal Name of Use-Case: Description: Student must provide a valid Id and to to the system
??
? ?
c
{reconditions: Student must have a valid Id and to to the system
Class diagram: The class diagram shows how the different entities (people, things, and data relate to each other; in other words, it shows the static structures of the system A class diagram can be used to display logical classes, which are typically the kinds of things the business people in an organization talk about
Class diagrams can also
be used to show implementation classes, which are the things that programmers typically deal with An implementation class diagram will probably show some of the same classes as the logical classes diagram The implementation class diagram won't be drawn with the same attributes, however, because it will most likely have references to things like Vectors and Hash
??
? ?
c
Class diagram for 2dministrator:
@
@ @
@
??
??
c
Class diagram for Student:
? ? "
$% #
%$ #
%$
J
?
??
??
c
Sequence diagram: Sequence diagrams show a detailed flow for a specific use case or even just part of a specific use case They are almost self explanatory; they show the calls between the different objects in their sequence and can show, at a detailed level, different calls to different objects A sequence diagram has two dimensions: The vertical dimension shows the sequence of messages/calls in the time order that they occur
Sequence diagram for 2dministrator:
|
|
| | | |
| | |
??
??
c
Sequence diagram for student:
&'
'
'
&'
'
' ' ' ' ' " &
' '
' ' '
2ctivity diagram: Activity diagrams show the procedural flow of control between two or more class objects while processing an activity Activity diagrams can be used to model higher-level business process at the business unit level, or to model low-level internal class actions In my experience, activity diagrams are best used to model higher-level processes, such as how the company is currently
??
??
c
doing business, or how it would like to do business This is because activity diagrams are "less technical" in appearance, compared to sequence diagrams, and business-minded people tend to understand them more quickly
2ctivity diagram for 2dminstrator :
E
2ctivity diagram for Student:
??
??
c
E
NO
YES
!
Component diagram: A component diagram provides a physical view of the system Its purpose is to show the dependencies that the software has on the other software components
??
? ?
c
(e g , software libraries in the system The diagram can be shown at a very high level, with just the large-grain components, or it can be shown at the component package level [Note: The phrase component package level is a programming language-neutral way of referring to class container levels such as Net¶s namespaces (e g , System Web UI or Java's packages (e g , java util
Component diagram for 2dministrator:
|
|
|
??
? ?
c
Component diagram for student:
??
??
c
Deployment diagram: The deployment diagram shows how a system will be physically deployed in the hardware environment Its purpose is to show where the different components of the system will physically run and how they will communicate with each other Since the diagram models the physical runtime, a system's production staff will make considerable use of this diagram The notation in a deployment diagram includes the notation elements used in a component diagram, with a couple of additions, including the concept of a node A node represents either a physical machine or a virtual machine node (e g , a mainframe node To model a node, simply draw a three-dimensional cube with the name of the node at the top of the cube Deployment diagram for 2dministrator :
? !??
?? |
|
? |? ? ??
? |
??
|
| ?? ||
??
? ?
c
Deployment diagram for Student:
' ' ' '
' ' ' '
'
#$
'
"
'
'
'
' '
'
' ' '
%
' ' ' '
??
? ?
c
3. System Features The ³e-learning portal for universities´ is an independent system The system is a Web based application which is used to students to do their courses in online
?
Takes data from the student
?
Interact with the database for the data storing
4. Non Functional Requirements ?
? ? ?
System can withstand even though many no of employers request the desired service Access is given to only valid s of the application who requires the services such as leave request leave balance, leave status S2FE3Y REQUIREMEN3S: By incorporating a robust and proven DB UDB into the system, reliable performance and integrity of data is ensured There must be a power backup for server system Since the product is of x availability there should be power backup for server which provides the information Every day the data should be backup even when the operation of an is not successful i e , while performing the operation power failure occurs then data should be backup 3 SECURI3Y REQUIREMEN3S: Sensitive data is protected from unwanted access by ¶s appropriate technology and implementing strict -access criteria Facility of unique number and in such a way that unauthorized cannot Operational rights for each /terminal can be defined Thus, a can have access to specific terminals and specific options only
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c
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