Home > Software > Testing > Manual-Testing
Interview Questions   Tutorials   Discussions   Programs   Videos   

Manual-Testing - What is the main difference between high and low level design in sdlc?

asked mar August 16, 2014 04:24 AM  

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


1 Answers

answered By kpreeti2011   0  

High Level Design

Low Level Design

It describes over all architecture of entire application from main module to all sub module.

It defines Internal logic of corresponding sub module. Designers are preparing individual LLD to Every module.

also known as macro level/ system design.

also known as micro level/ detailed design.

Design gives the overall System Design in terms
of Functional Architecture and Database design. It will show system using Use case, class diagram, sequence. deployment diagram.

During the detailed phase, the view of the application
developed during the high level design is broken down into
modules and programs.

Input criteria is Software Requirement Specification (SRS). Output criteria is database design, functional design and review record.

Input criteria is HLD, which are reviewed and authorized. Output criteria is Program specification and unit test plan.

   add comment

Your answer

Join with account you already have



Ready to start your tutorial with us? That's great! Send us an email and we will get back to you as soon as possible!