What is difference strong and weak reference ? Explain.
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What is storyboard?
What does exc_bad_access mean?
What is nspersistentstore? Is it thread safe?
Do you know what is iphone reference library?
What do you know about home screen of ios?
Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?
What are the skills required for ios developer?
Name the memory management rules and their related methods.
What is grand central dispatch ios?
Explain ios switching applications?
Name the application thread from where uikit classes should be used?
In iphone development how to import the private key into your keychain?