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 iOS?

2 3558

What's fast enumeration?

2 3722

What are the differences between categories and extensions?

1 2881

What is a singleton?

1 3312

Name and explain the iOS app states.

1 3005

What are the memory management rules?

1 2865

Name the memory management rules and their related methods.

1 2909

Explain why delegates and notifications are different.

1 2751

What is lazy loading?

1 2826

Explain shallow copying and depth copying.

1 2676

What is a struct?

1 3501

Is the object retained if I call performSelector:withObject:afterDelay:?

1 3420

What is posing in iOS?

B-Ways TecnoSoft,

1 3881

Where do you test the developed apps if you do not have the device?

1 2625

Does iOs supports multitasking?

1 2686

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Un-Answered Questions { Apple iOS }

What does 2x resolution mean?

855

what are the new features in Xcode 6?

899

What is mapping model?

755

What is the meaning of 'strong'keyword?

821

How do I open a csv file on my phone?

784

What is didreceivememorywarning method in you viewcontroller?

748

What is uiwindow in ios?

779

Explain how app delegate is declared by Xcode project templates?

911

How to represent layer objects in iOS operating system ?

777

What is delegate in ios with example?

751

What’s the difference between not-running, inactive, active, background and suspended execution states?

747

What is the difference between synchronous & asynchronous task in ios?

668

Explain usage of struct?

842

What performance issues can you face when using coredata?

861

Is ios development hard?

800

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