Select the following statements that are true?

The iPhone Simulator can be found at:

Which is the correct way to vertically center the UITextField text?

What will happen when the tableView:accessoryButtonTappedForRowWithIndexPath UITableViewDelegate method is called, in a case where there is a custom UIControl subclass in the standard accessory view?

Which will create a singleton class that is compatible with ARC?

Which compares NSString while ignoring case?

Which is the correct way to get the screen height and width in iOS ?

Where does Xcode place its build products and other intermediaries/temporary files?

Which will make an iPhone app return its own version number?

Which changes the color of the pagination dots of UIPageControl?

Why does the error, 'EXC_BAD_ACCESS' occur?