What is difference between system and functional testing?

Answer Posted / mudaseer

for example let me take atm as an example

first we insert a valid card then enter valid password it will allow for further transactions

then it will ask for options like money withdrawal,check balance
so here when i click on check balance it should display the balance that is it has to take correct page

this is known as functional testing here we check whether the link is correct or not( similar example i can give in gmail when i click it should open compose mail only not any other link like inbox)

and system testing is end to end testing like insert a valid card enter a valid password and enter a valid amount to withdrawn that is we are testing from one end to other
this is system testing

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