What is the difference between synchronous & asynchronous task ?
What is libdispatch?
What is nsfetchedresultscontroller?
What manual memory management?
Can you pass same core data objects between different threads and modify?
What is posing in iOS?
Explain how do I get a call when my ipad rings?
What are the different delete rules that a relationship can have?
Difference between cocoa, cocoa touch and objective c?
Explain concept of notification center, local and remote notifications.
What is the viper?
Explain your process for tracing and fixing a memory leak iOs?
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What is the difference between inheritance and category?