Explain what is iphone architecture?
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What is use of uiapplication class?
Which framework delivers event to custom object when app is in foreground?
What is the difference between viewdidload and viewwillappear?
Whats the difference between frame and bounds?
Explain "private", "protected" and "public"?
What is difference between nsnotification and delegate?
What is nsoperation and nsoperationqueue?
Tell me what is iphone os?
What is push notification?
How can a user respond or react to the state transitions on the app?
Explain the usage of struct?
Different types of persistent stores? Which all types can we have on ios?