What persistent storage core data uses to save data?
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What is abstract class in ios?
What is grand central dispatch ios?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
Is ios written in c?
Explain parent-child context setup. What are the advantages?
What is 1x 2x?
Is apple ios based on linux?
What are the App states in iOS operating system? Explain them
How do you stop apps running in the background on ios?
What is id in ios?
Explain the difference between 'protocol' and 'delegate'?
What is nsfetchedresultscontroller? How do you turn on content monitoring?