Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is difference between performblock: and performblockandwait:?

965

What are the Different types of persistent stores?

913

What is nsmanagedobject?

856

What is messaging? How does the runtime handle message passing? What is message forwarding?

975

What is nspersistentstore?

979

What is nsuserdefaults?

892

What is nsfetchedresultscontroller?

938

Explain parent-child context setup. How does it work?

821

Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?

891

What is message forwarding?

871

What is the benefit of setting reuseidentifier to a non-nil value?

796

What are the different store migration options? When are they used?

854

What is nsmanagedobjectcontext?

909

What performance issues can you face when using coredata?

952

How do you setup/initialise a core data stack in your application?

914

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Un-Answered Questions { Apple iOS }

What is dynamic typing in iOS operating system?

888

Mention what is the use of po command in xcode?

866

What is arc in ios?

857

Which object manage the presentation of app's content on the screen?

887

Can my application have multiple models?

861

Explain xib?

880

What are all the newly added frameworks iOS 4.3 to iOS 5.0?

853

what are the new features in Xcode 6?

1008

What is suspended state in ios?

877

What design patterns do you use in ios? : IOS Architect

801

What is onboarding and why is it so important for mobile design? : IOS Architect

866

Explain how the push notification works in iOS operating system?

940

How do you check if your code has memory leaks?

902

What is synchronous vs. Asynchronous in gcd ?

826

What language is ios written?

825

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