Which is the latest version of the iPhone OS that is just released?

Object Oriented Programming (OOP) is a style of programming in which your code is broken up into units, known as

Keeping track of objects you own and releasing them when you're done using them

At the start of program execution all subclasses are initialized before the parent class

The @private directive restricts access to instance variables to methods in the class; subclasses cannot access the variables directly

If you start a class definition that conforms to a specified protocol, you need to release all the methods you will implement for that protocol in the @interface section.

The iPhone/iPad doesn't require a stylus to use its touch screen, instead it has been specifically designed for use with a finger(s) to touch and drag the screen. What is this technology called?

Standard to the iPhone/iPad is a device that allows the user to flip the screen from landscape to portrait mode simply by rotating the phon By what name is this function better known?

Which Internet browser is installed on the iPhone/iPad?

Which App store has been mentioned in the lesson?

The iPhone is a line of Internet and multimedia-enabled smartphones designed and marketed by Intel Corporation.