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Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)
What is closures in ios?
What is libdispatch?
What is the difference between synchronous & asynchronous task ?
Explain usage of struct?
What is @dynamic in objective-c ?
Can you pass same core data objects between different threads and modify?
What are ios apps written in?
Explain parent-child context setup. How does it work? What are the advantages?
What is meaning of 'retain' keyword?
What’s the difference between not-running, inactive, active, background and suspended execution states?
What are ios apps coded in?
What is ios technology?
Define fast enumeration?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
