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






2. All objects are accessed using...






3. Execution of the break statement...






4. Primitives and C Structures...






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






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






7. class methods...






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






9. UIViewController has several methods that get called at certain times...






10. NSArray - important methods...






11. A message is always contained in square brackets - and has three parts






12. UIView - designated initializer...






13. 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.






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






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






16. NSDictionary...






17. A responder is responsible for...






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






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

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






21. Also - because arrays only hold a pointer to an object...






22. You use _ to implement the view






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






24. The integer prefix is...






25. Hold data and know nothing about the user interface






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






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






28. NSNumber - class...






29. A view exists within a hierarchy. The window (an instance of UIWindow) is a view and the root of the hierarchy. It has _ (that appear on the window). Those views can also have _.






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






31. initWithFrame: the designated initializer for UIView gives the view






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






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






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






35. Values to be supplied as the parameters to the method






36. Objective C only allows for single inheritance - so in regards to class you only ever see the following pattern






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






38. id is a...






39. NSSet...






40. Whenever a UINavigationController is about to swap views - it sends out two messages






41. NSValue - class...






42. Designated initializer makes sure that every...






43. Files Owner...






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






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






46. UIImageView is used to...






47. Only exists within the statement block there defined - outside of the block is fine






48. What happens when the last owner calls release?

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49. In Objective C arrays can hold only...






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