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CHAPTER 4 ANSWERS
IBOutlet is the keyword you use to connect a UIKit property in a class to a UIKit object in Interface Builder.IBAction is the keyword you use to connect an event of a UIKit object in Interface Builder to a method in a class.Being the first responder means the user interface object is the first to handle events caused by user interaction.The NSCoding protocol is implemented to allow a class to be used with the NSKeyedArchiver class.