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

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

Question Posted / priyapsg2001

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

Answer / athilakshmi.g

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.

Is This Answer Correct ?

101 Yes

11 No

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

Answer / usha

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.

Is This Answer Correct ?

53 Yes

16 No

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

Answer / kumar mohapatra

HLD- also known as macro level/ system design...
LLD- also known as micro level/ detailed design...

HLD- 2 main components are 1>Functional architecture of application... 2>Database design...
LLD- in this design,for every program logic design is done, documented and unit test plan created...

HLD- participants are design team, review team and client...
LLD- participants are only design team...

HLD- input criteria is Software Requirement Specification(SRS)... Output criteria is database design, functional design and review record...
LLD- input criteria is HLD, which are reviewed and authorized... Output criteria is Program specification and unit test plan...

Is This Answer Correct ?

26 Yes

4 No

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

Answer / nikhil

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

Is This Answer Correct ?

22 Yes

9 No

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

Answer / surjit

HLD: DFD , FLOW CHART showing ligh view of app.
LLD : Class diagram with all information like methods etc ,
state diagram

Is This Answer Correct ?

15 Yes

5 No

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

Answer / prashant

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.

Is This Answer Correct ?

17 Yes

8 No

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

Answer / arjun

HLD- high level Design LLD-low level Design
Am specifying my answer
with an example
suppose any one goes on
gmail and put there id n
password ..when you entered
in home page it's called hld..
LLD-
when you have enter in gmail and
there is lots of internal links i.e
called low level..because when u open urs orkut account
thru gmail so when u logout yours gmail orkut will b
automatically off but when you login saperalty orkut and
saparetly gmail then ....not in this case so the
combination of hld+lld=cdd cdd stands for comprehensive
design document..

Is This Answer Correct ?

11 Yes

4 No

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

Answer / ratan siddique

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.

Is This Answer Correct ?

10 Yes

8 No

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

Answer / athar

high level design is the over all system desing .and design is the details of high level design..

Is This Answer Correct ?

1 Yes

2 No

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

Answer / yagnamurthy,heartcom inc

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

Is This Answer Correct ?

9 Yes

19 No

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