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






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






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






4. How do I implement my drawRect?






5. A function in the objective c library that simply displays or logs it's argument






6. Hold data and know nothing about the user interface






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






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






9. Any other initializer a class has calls the _ designated initializer....






10. Each object does its own job - and presents to the rest of the world - to other objects - and indeed in a sense to the programmer - an opaque wall whose only entrances are the methods to which it promises to respond and the actions it promises to per






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






12. C struct with a CGPoint origin and a CGSize size - in other words two c structs.






13. Archiving works by creating an instance of _ - which is essentially just a container for data - and placing objects and their data inside it.






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






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






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






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






19. Property List...






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






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






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






23. 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...






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






25. 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.






26. Class methods do not operate on an _ or have any access to _ variables....






27. 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.






28. Prefixing a character string with an @ symbol [specific - NSString class]...






29. Designated initializer makes sure that every...






30. A view is an...






31. Number one use of protocols in iOS...






32. 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 _.






33. When overriding a method - all you need to is _ - you do not need to declare it in the header file because it has already been declared by the superclass....






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






35. Primitives and C Structures...






36. UIImageView is used to...






37. All objects are accessed using...






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






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






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






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






42. [Instance Variables] The code it gets from its class and in a sense is shared with all other instances of that class - but the _ belong to it alone.






43. NSSet...






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






45. Also if you send the NSObject the _ message - you own that object.






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






47. A view represents a _ area






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






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






50. NSDate - class...