What are the ways to store data localy on iphone device?
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Differentiate 'app id' from 'bundle id'.
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Explain concept of notification center, local and remote notifications.
what is singleton class? Why the whole application creates a single instance?
What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.
What is sandbox in iOS operating system?
How many bytes we can send to apple push notification server?
Difference between ScrollviewdidScroll and didendDecelerating delegates?
What is difference between weak and strong in ios?
What is the difference between cocoa and cocoa touch?
What are some common execution states in ios?
What is a memory leak in ios?