Apple iOS Interview Questions
Questions Answers Views Company eMail

Explain the difference between stack and heap memory?

443

Explain the difference between strong and retain.

411

In which language ios is written?

453

What are ios functions?

454

What coding language is used for ios apps?

434

What does ios stand for in texting?

420

What is gcd ios?

513

What is gcd in ios swift?

464

What is ios selector?

422

What is a memory leak in ios?

422

What is array in ios?

435

What is block in ios swift?

490

What is block in ios?

457

What is callback in ios?

452

What is category and extension in ios?

435


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Un-Answered Questions { Apple iOS }

What does 2x resolution mean?

503


What is the difference between cocoa and cocoa touch?

418


What do you know about home screen of ios?

448


What is gcd? How is it used?

442


What is ipad screen size?

475






What is a thread in ios?

418


What are b-trees?

477


What is nspersistentstore? Is it thread safe?

524


What is the ? In swift?

490


Is ios written in c?

442


What is the benefit of setting reuseidentifier to a non-nil value?

420


Why iphone apps are popular?

527


Difference between sax parser and dom parser ?

490


What is difference between 'protocol' and 'delegate'?

455


What are different ways that you can specify the layout of elements in a uiview?

479