Test your basic knowledge |

iOS 5 App Development Objective C

Subjects : it-skills, apple
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In Objective C arrays can hold only...






2. Just a floating point number - but we always use it for graphics.






3. Inside a method - _ is an implicit local variable. Typically - _ is used so that an object can send a message to itself....






4. A view is an...






5. Name of the method to be executed






6. A responder is responsible for...






7. Typically the designated initializer has parameters for the most important and frequently used _ of an object






8. In general - in Objective-C - a reference to an instance is a _ - and the name of the data type of what's at the far end of that pointer is the name of the instances's _.






9. NSDictionary...






10. super - is used...






11. When an NSMutableArray is deallocated - it sends...






12. NSArray - class...






13. In the last line of an init method...






14. Center and frame are used to _ your view






15. Primitives and C Structures...






16. You use _ to implement the view






17. The integer prefix is...






18. Order of the declarations for methods. _ come first - followed by _ - followed by any other methods...






19. In general - class methods tend to be factory methods - that is...






20. Views have three properties related to their location and size: @property _ _;






21. Each individual instance is a bundle of data that it maintains. Typically that data is private - which means that it's encapsulated as well; no other object knows what that data is or in what form it is kept. The only way to discover from outside wha






22. An instance is a device for maintaining state. It's a box for _ of data.






23. Three ways instances are created...






24. A UITableView usually needs three different pieces...






25. When an object is removed from an NSMutableArray - that object is sent the message release;...






26. Object Oriented based analogue to a function is called a...






27. Dynamic binding means that when we call a certain object's method - and there are several _ of that method - the right one is figured out at runtime.






28. When a view controller presents a modal view controller - the _ of the modal view controller is set to be the parent of the presenting controller






29. When making a tableView always...






30. In object oriented languages - we call methods that get and set instance variables

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31. Origin of a view's coordinate system is _ left






32. A view represents a _ area






33. In any application with UINavigationController - the navigation controller...






34. A class inherits all _ from its superclass and can add as many as it wants for its own purposes....






35. A UITableViewController can fill all three roles of...






36. When the message endEditing: is sent to a view - if it or any of its subviews or currently the _ - it will resign its first responder statues - and the keyboard will be dismissed.






37. Files Owner...






38. If a class declares a _ that is different from its superclass - you must override the superclass' _ to call the new _...






39. When you send a message to _ - you are sending a message to _ - but demanding that the search for the method begin at the superclass....






40. Hold data and know nothing about the user interface






41. If a break statement is executed from within a set of nested loops...






42. Use of class methods - there are three...






43. The only reason to temporarily own an object - is...






44. A collection object - an ordered list of objects that can be accesed by an index






45. When an object is added to a NSMutableArray - that object is sent the message to retain;...






46. Each class picks one _ as it's designated initializer....






47. Class methods typically either create






48. The root view controller typically creates the next view controller - and the next _ creates the one after that






49. In a class method you cannot access...






50. After accessors have been defined in the header file...