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iOS Application Development using Swift Quiz Questions and Answers

Answer :
  • IBAction is a macro defined to denote a method that can be referred to in Interface Builder.

Explanation :

An IBAction (Interface Builder action) is a function which is called when a specific user interaction occurs. 
Answer :
  • Signed

Explanation :

Signed integers are denoted by INt8
Answer :
  • UIButton->UIControl->UIView->UIResponder->NSObject

Explanation :

UIControl is a child of UIButton
Answer :
  • init

Explanation :

init is a initializer
Answer :
  • A) Continue
    B) Break
    C) Fall Through
    All of the above

Explanation :

All
Answer :
  • A) It eliminates entire classes of unsafe code
    B) Variables are always used before use.
    C) Memory is managed automatically
    All of the above
Answer :
  • _