What is @dynamic and any place where it is used?
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Who developed ios?
What manual memory management?
What is appdelegate in xcode?
What happens when we invoke a method on a nil pointer?
How can a user respond or react to the state transitions on the app?
What is the difference between atomic and nonatomic properties? Which is the default for synthesized properties?
When is an app said to be in active state?
Explain difference between coredata & sqlite?
How core data works to save data in persistent storage?
What are the Different types of persistent stores?
What is Automatic Reference Counting (ARC) in iOS operating system?
How many types of background modes supported in ios?