Explain ios switching applications?
If any app can run in the background, what about battery life?
What do you know about home screen of ios?
Does ios supports multi-tasking functionality?
What is the mean of not running state in ios?
What are selectors in objective-c?
Explain what is storyboard?
Explain the significance of autorelease?
Explain mutable and immutable types in objective c programming language?
Explain "private", "protected" and "public"?
Explain me what is arc? How it works?
What is retain counts?
Who calls the main function of app during the app launch cycle in ios?
What are the features is ios 6?
Explain me what is fast enumeration?