Difference between cocoa, cocoa touch and objective c?
Give example scenarios when an application goes into inactive state?
Explain how to delete images in ios?
Define 'atomic' keyword?
What is didreceivememorywarning method in you viewcontroller?
What is the difference between copies & retain in iOS operating system?
Which object manage the presentation of app's content on the screen?
Who is the founder of ios?
Explain the architecture of iphone? : IOS Architect
Why core data is faster than sqlite?
Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?
Which api would you use to write test scripts to exercise the application’s ui elements?
Explain the features is ios 6?
What happens when we invoke a method on a nil pointer?
What is App Bundle in iOS operating system?