What is inactive state in ios?
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Can my application have multiple models?
What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.
Tell me what is fast enumeration?
Enlist the methods to achieve concurrency in ios?
Explain the options and bars available in xcode 4.x workspace window in iOS operating system
In which language ios is written?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
Which is the application thread from where uikit classes should be used?
Name the memory management rules and their related methods.
What is the benefit of setting reuseidentifier to a non-nil value?
What is a fault?
Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)