what is SDLC? what are the different stages in SDLC?
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Answer Posted / srinivasreddy.p
Software Developmet life cycle comprises of the following
different stages.
1) Information Gathering
2) Requirement Analysis
3) Design
4) Coding
5) Testing
6) Implementation & Maintenance.
Information Gathering : In this phase; information is
gathered from the customer , if some information are
missing then we need to go to customer and take the
required information. Mainly this is done by the Business
Analyst as they are the one who are completely involved in
Software Development life Cycle.
The Document Prepared during this phase is : Business
Requirement Specification (BRS)or Customer Required
Specification( CRS) Or User Requirement Specification(URS).
Entry Criteria : BRS OR CRS or URS.
2) Analysis Phase : The Features and the functions that
need to be put in the project are determined.
Entry Criteria : Business Requirement Document
Exit Criteria : SRS ( Software Requirement Specification)
3) Design Phase : The actually flow of the project is done
here.Deciding upto logical functionality ,ER diagram , Data
Flow etc are made. These activities would be executed by
team lead , technical Specialist and depending upon the
work appropriate decisions are made.
Document prepared during this phase are HLD, LLD
HLD : Defines the overall Hierarchy of the function.
Example : Login into Net Banking. From the root level to
the least level is defines in HLD.
LLD: Internal logic of the project is defined. Focuses on
thei nternal functionality of the program. Each and every
module logic is defined.
Entry Criteria : SRS
Exit Criteria : Design Document.
4) Coding Phase : Based on the design document , small-
small modules are prepared . All the modules are summed
together to form a .exe
Entry Criteria : Design document
Exit Criteria : .exe
Unit testing , integration testing & white box testing
comes in this phase.
Testing : Actuall system testing take place here.
Implementing & Maintenace : I think all know this.
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Assignment A software house got a project to automate sales/purchase department of a furniture store. The store management is clearly transferred their requirements to the software house management. There is no chance of changing the requirements afterwards. Software house management use waterfall process model to make the project. Given is the progress flow of water-fall process model In waterfall process model, the deliverable (document) produced in one phase serves as an input to the next phase. Suppose you are a project manager who is leading this project. It is decided to work and complete the project using waterfall process model approach. You are required to develop a plan in which the key task is to decide the deliverable that should be built during and after completion of each phase. Also give a description or required contents that must be included in those deliverables. You are not supposed to make the complete project. All you are required to do is to make a Project plan. In that, you need to give a set of deliverables (documents) which according to you, should be developed in each of the phase (Requirements, Designing, implementation, Testing, Maintenance). Also provide contents which should be there in each deliverable. The contents should be clear and have brief explanation. Note:: There are one folder and one file in the attached folder. The file is named as Assignment 4 write-up which is your assignment write-up. The other folder named Project deliverables is the folder in which you are required to organize and place your deliverables. Name of the document/deliverable saved in each folder should be mentioned in the file named checklist (This file is placed in the “Project deliverables” folder) For Example If you produce a deliverable named Requirement Specification (RS) in the “Requirements” phase. You need to do following tasks 1) Finalize the RS contents 2) Save the file in sub-folder named Requirements 3) Write the name of this document in the checklist file under the heading Requirements. Similarly, you need to make and save deliverables of each phase. Not all phases contain one deliverable. There must be some phases having more than one deliverables. PLEASE SIR PRIVIDE ME THE CHECK LIST FOR GIVE SENERION ? CHECKLIST ARE: 1-Requirements 2- Designing 3- Implementation 4- Testing 5- Maintenance
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