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Apple iOS Interview Questions
Questions Answers Views Company eMail

What is iOS?  

 2 2661

What's fast enumeration?

 2 2782

What are the differences between categories and extensions?

 1 2096

What is a singleton?

 1 2094

Name and explain the iOS app states.

 1 2161

What are the memory management rules?

 1 2115

Name the memory management rules and their related methods.

 1 2197

Explain why delegates and notifications are different.

 1 1967

What is lazy loading?

 1 2096

Explain shallow copying and depth copying.

 1 1936

What is a struct?

 1 2308

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

 1 2655

What is posing in iOS?

B-Ways TecnoSoft,

1 3092

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

 1 1870

Does iOs supports multitasking?

 1 2015

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Un-Answered Questions { Apple iOS }

What is difference between core data and sqlite in ios?

441

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

467

What is iphone architecture?

490

Will iphone 7 get ios 13?

433

What is notification in iOS?

497




What is core data stack?

436

What is the difference between viewdidload and viewwillappear?

415

When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?

452

How you will store user info (username, password or token) securely in ios?

428

Explain the difference between copy and retain?

553

Is ios 9 still supported by apple?

439

Enlist frameworks for cocoa?

465

What is core data in ios?

479

Explain stack and heap?

504

What is the meaning of 'strong'keyword?

525

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