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