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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Why iphone apps are popular?

876

What are the features of iphone 3gs?

812

What are sensors in iphone?

886

What is iphone architecture?

828

Does ios support multitasking?

840

Which object is create by uiapplicationmain function at app launch time?

805

Difference between categories and extensions?

823

Assume that an app is not in foreground but is still executing code. In which state will it be in?

838

What are kvo and kvc?

799

Flow of push notification?

839

Explain about iphone application development?

860

What is @synthesize?

894

What is @implementation?

831

When an app is said to be in active state?

819

What is nonatomic?

854

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Un-Answered Questions { Apple iOS }

What are layer objects?

860

What is delegate?

893

Implement the following methods: retain, release, auto release in iOS operating system?

802

What is meaning of 'nonatomic' keyword?

921

What are design patterns in ios?

908

Explain the difference between bounds and frame?

834

Explain the difference between coredata & sqlite?

803

What is managed object context and what are its functions?

827

What is grand central dispatch ios?

863

What is memory management handled on ios?

807

What is clean architecture ios?

827

What does 2x resolution mean?

906

What persistent storage used in mobile apps - ios?

835

What is iphone?

916

How to convert MVC design pattern to MVVM design patterns

1438

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