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. if you implemented both the setter and getter - the @synthesize method...






2. A callback is a function that is supplied in advance of an event - and...






3. @property declares - and _ implements the setter and getter...






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






5. In Cocoa Touch - the table view asks another object _ what it should display...






6. You use _ to implement the view






7. Hold data and know nothing about the user interface






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






9. Ready-made instances...






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






11. Delegation is an object oriented approach to






12. A view represents a _ area






13. Any individual object belonging to any class...






14. NSString *s = @'Hello - World'; is an example of...






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






16. A block of statements identified by a name that can accept one or more arguments passed to it by value and can optionally return a value






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






18. Core foundation classes are prefixed with _ and suffixed with _






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






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






21. Three ways instances are created...






22. Name of the method to be executed






23. Name of the new class - it's superclass - the instance variables that each instance of this class has - and any methods this class implements






24. In object oriented languages - we call methods that get and set instance variables accessors - individually we call them...

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25. To get the full path for a directory in the sandbox - you use the _ NSSearchPathForDirectoriesInDomains.






26. A command directed to an object is called an...






27. Keep view and model objects in sync - control the 'flow' of the application - and save the model objects out to the filesystem






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






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






30. 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.






31. NSString objects are usually sent _ rather than _...






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






33. 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.






34. At the top of any implementation file...






35. Designated initializer makes sure that every...






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






37. The object to which a message is sent - the receiver can be referred to as self from inside the method that is invoked






38. Files Owner...






39. Class methods typically either create






40. In Objective C - the name of a setter method is set plus the name of the instance variable it is changing - for example PossessionName would be...






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






42. Proceed through the loop - jump back to the top and check again






43. A set of variables and associated methods. An object can be sent messages to cause one of its methods to be executed.






44. Reference Counting...






45. We can use dot notation to reference...

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46. Instance Variables by default are called @protected meaning...






47. A pointer to the object being asked to execute a method






48. Execution of the break statement...






49. For view controllers that are closely related - like a table view controller and its detail view controller - you can simply give them _ that point to each other.






50. NSDictionary...