Have you uploaded app on appstore? What is the process?
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Did you used CLRegion? How its working?
Who developed ios?
What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
What is the first responder?
Explain the difference between nsarray and nsmutablearray?
Explain me what is fast enumeration?
Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)
Are the nsmanagedobjectcontext queues serial or concurrent?
Difference between categories and extensions?
When dealing with property declarations, what is the difference between atomic and non-atomic?
Explain what is struct?
Explain application sandboxing.