What is difference between unit tests and ui test in xcode?
What is nonatomic?
What is UICollectionView ?
Explain what is storyboard?
What is iphone screen size?
Explain me does ios support multitasking?
Who is the founder of ios?
What is meaning of 'readonly' keyword?
What are most ios apps written in?
What is nsuserdefaults? What type of data can we store there?
What kind of database is realm?
Explain the difference between coredata & sqlite?
What is grand central dispatch ios?