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 the difference between NSArray and NSMutableArray in iOS operating system?

CDC,

743

What is the purpose of UIWindow object in iOS operating system?

CDC,

784

What is Automatic Reference Counting (ARC) in iOS operating system?

B-Ways TecnoSoft,

775

Explain retain counts in iOS operating system?

CDC,

869

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

CDC,

731

how you can delete a smart group created in Xcode?

842

what does @synthesize do?

813

what are the new features in Xcode 6?

891

what is the use of PO command in Xcode?

882

Explain how you can migrate to Xcode?

950

what are the two different smart groups in Xcode?

855

What is the short cut to open the “Code Snippet Library” in Xcode?

868

Mention the short-cut to edit variables in Scope?

755

what are the source items used by Xcode?

1034

what is the difference between bounds and frame?

855

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Un-Answered Questions { Apple iOS }

What is oops in ios?

748

What is the 'interface' and 'implementation'?

790

How to parse xml?

733

Does ios have garbage collection?

726

Why uicontrol is provided if we can create custom uiview?

761

Explain what is a class?

760

When an app is said to be in active state?

760

What is category and class extension?

814

Difference between categories and extensions?

760

What language is ios written in?

762

What is the difference strong and weak reference?

725

What is category in ios?

712

Will iphone 6 get ios 13?

705

what are the source items used by Xcode?

1034

Explain the significance of autorelease?

802

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