RE: What is the difference between Functional Testing ...
Functional testing is testing just the functionality of the application whereas system testing is top to bottom or end to end testing; testing the entire system as one entity. It is a high level testing.
RE: What is the difference between Functional Testing ...
Functionality testing is based on functional requirements of the application whereas the system testing is end to end testing it covers all the functionality performance usabilty database stress testing.
Functional testing is the subset of system testing but both are blackbox testing
RE: What is the difference between Functional Testing ...
Functional Testing is nothing but we r going to check the internal functionality of the application with respect to SRS.This Functional testing consists of following tests:1.Functioanity Testing2Boundary Value Testing3.Input Domain Testing4.Parallel Testing5.Inter-System Testing6.Back-Up testinglike above testings r comes under Functional testingSystem Testing:It is collection of Four testing techniques1.User Interface Testing: This is again consists of the following: a)Usability Testing:Ease of Use Ease of Operation Look and feel easy navigation. b)Manual Support Testing2.Functional Testing3.Performance Testing: This again consists of the following: a)Load Testing b)Stress Testing c)Data Volume Testing4.Security Testing: a)Access Controle b)Authorization c)Encryption Testing
RE: What is the difference between Functional Testing ...
SYSTEM TESTING:
Testing of the whole System with these Testing Concepts like Usability Functionality Performance and Security is System Testing.
FUNCTIONAL TESTING:
Functional Testing is part of System Testing. Where Functionality of the application compatibility Input Related(Domain) Recovery of the application Sanitation Inter system Configuration Installation and Parallel Testing is done in Functional testing.