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What ios version onwards arc can be used?
What are the lifecycle events of uiviewcontroller?
What is nsfetchedresultscontroller? How do you turn on content monitoring?
Explain parent-child context setup. What are the advantages?
What persistent storage core data uses to save data?
What persistent storage used in mobile apps - ios?
what are fetched properties?
How core data differs from sqlite?
Can we support the same application for iphone 3gs and iphone 5, 6, 7? Why not?
What is difference between performblock: and performblockandwait:?
What are the Different types of persistent stores?
What is nsmanagedobject?
What is messaging? How does the runtime handle message passing? What is message forwarding?
What is nspersistentstore?
What is nsuserdefaults?
