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 category and class extension?

861

What are the different delete rules that a relationship can have?

742

what are fetched properties? How do you create a fetched property?

803

What is nspersistentstore? Is it thread safe?

937

What is a fault?

807

Is core data is thread safe?

825

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

757

What are the different delete rules that a relationship can have? Which one takes ownership?

795

What is the purpose of reuseidentifier?

844

What is dependency management tools?

791

Why do all model object attributes get marked with @dynamic and not synthesised?

891

In a single model, can I have few entities in one sqlite db file and remaining in another sqlite db file?

875

What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.

757

What are transient properties?

832

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

754

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Un-Answered Questions { Apple iOS }

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

795

Who calls the main function of app during the app launch cycle in ios?

850

Do you know what is iphone reference library?

883

Explain the difference between nil and nil?

889

What is weak in ios?

839

What are the skills required for ios developer?

786

what is the difference between Xcode, Cocoa and Objective C?

880

What is atomic and non atomic in ios?

827

An app is loaded into memory but is not executing any code. In which state will it be in?

778

Which programming language is used in ios?

818

Explain usage of struct?

886

What is category in ios?

775

Which app specific objects store the app's content in iOS operating system?

802

What does use core data mean in xcode?

900

What is ios deadlock?

871

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