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 2995

What's fast enumeration?

2 3117

What are the differences between categories and extensions?

1 2385

What is a singleton?

1 2643

Name and explain the iOS app states.

1 2450

What are the memory management rules?

1 2403

Name the memory management rules and their related methods.

1 2459

Explain why delegates and notifications are different.

1 2233

What is lazy loading?

1 2347

Explain shallow copying and depth copying.

1 2191

What is a struct?

1 2822

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

1 2916

What is posing in iOS?

B-Ways TecnoSoft,

1 3441

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

1 2155

Does iOs supports multitasking?

1 2326

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Un-Answered Questions { Apple iOS }

How to do upload of large sized video file to server ? while uploading user presses “Homebutton” How long will execute?

1106

What is an NSOperationQueue and how/would you use it in iOS operating system?

587

Can python apps run on ios?

593

Explain the steps involved in submitting the App to App-Store in iOS operating system?

655

Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)

1321

How nsoperationque works?

580

What is 1x 2x?

576

What are selectors in objective-c?

585

What does 2x resolution mean?

633

What is polymorphism in ios?

593

What is the architecture of ios?

600

Explain me app bundle?

588

Explain me how to parse json?

526

Explain application states

1068

What is category and class extension?

620

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