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

Apple iOS Interview Questions

Questions Answers Views Company eMail

Is it possible to write a program without using nib file

1 2258

What NSAutorelease pool

1 2410

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

1616

Explain about design patterns in iOS

1 2326

Explain about MVC Design patters

1 2338

what is singleton class? Why the whole application creates a single instance?

1 2343

Explain @property ,@synthesize

1 2412

what is the difference between nonatomic & atomic

1 3166

What is bundle

1 2347

Explain collections in iOS

1 2875

Explain application states

1340

Explain UIView life cycles

1 3238

Screen resolution of iPhone & iPad

1 2258

Explain about NSURL Connection Delegates

1 2502

Explain @synchronized ,@dynamic

1714

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Un-Answered Questions { Apple iOS }

What are the different store migration options?

979

In nsfetchrequest can we fetch only a selective few attributes of an entity? How?

837

What is the meaning of 'weak' keyword?

885

Explain application states

1340

Which are the app’s state transitions when it is launched?

839

What is delegate and protocol in ios?

888

What is difference between shallow copy and deep copy in ios ? : IOS Architect

915

How to install an iphone application for testing?

921

What is a model class?

843

What is ios technology?

904

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

894

What is the difference between copies & retain in iOS operating system?

913

Which compiler is used by ios? : IOS Architect

974

What are the Different types of persistent stores?

913

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

750

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