DIFFERENCE BETWEEN LOWLEVEL AND HIGH LEVEL DESIGN IN PROJECT

what is the main difference between high and low level

design in sdlc

Re: what is the main difference between high and low level design in sdlc

Answer

# 1     High level design is the over all architechture means root

requirement to leaf requirement but low level design's

consists internal logic requirement of that soft ware.

Re: what is the main difference between high and low level design in sdlc

Answer

# 2     High level design:

    Overall architecture of the appplication (e.g) data

flow, flow chart, data structure ect.

Low level design:

   Detailed description  of the each and every module.

Re: what is the main difference between high and low level design in sdlc

Answer

# 3     HLD - High Level Design

HLD is nothing but, heirarchy of all possible functionality

as module in the application.

eg. flograph, flochart, data structure.

LLD - Low Level Design

LLD is nothing but, static logic bet. every sub module.

eg. ER Diagram, Algorithm

Re: what is the main difference between high and low level design in sdlc

Answer

# 4     High level Design:  to test the function modules ,operators

etc,.....

Low lwvwl design means to test the

functions,operatus,submodules   this is called the LLd

Re: what is the main difference between high and low level design in sdlc

Answer

# 5     Higher level means overall goal of this application like

application backborn. and lower level design is details

describe every requriment or every terms. like

process.decision.document for flowchart.

Re: what is the main difference between high and low level design in sdlc

Answer

# 6     HLD: DFD , FLOW CHART showing ligh view of app.

LLD : Class diagram with all information like methods etc ,

state diagram

Re: what is the main difference between high and low level design in sdlc

Answer

# 7     HLD-level Design gives the overall System Design in terms

of Functional Architecture and Database design.it will show

system using usecase,class diagram,seqence...deployment

diagram.

LLD-During the detailed phase, the view of the application

developed during the high level design is broken down into

modules and programs.