Test your basic knowledge |

iOS 5 App Development Basics

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 wish to 'echo print' breadcrumb info as you develop your app - this panel must be visible






2. A skeleton (holding place) or framework of code that will be completed in the future; provided initially so code will compile (but it may not function)






3. Used to test an app without needing an actual physical device






4. In your implementation file - the _____ method (provided in stub form by Apple) runs after machine language code reserves some space in memory for your View. This method is often used to create a 'clean slate' as an app opens.






5. The 'First Responder' in a scene is not an object it is considered a ________






6. Formatting placeholder for a floating point value with one digit on the left of the decimal and two digits on the right






7. Class used for creating image views






8. A fully transparent image has an _____ property value of _____






9. Another name for a 'button bar'






10. Extension for an iPhone/iPad app






11. Typical header syntax for a button that will be applying the 'moveMe' action in an app






12. How do you show a storyboard file as source code?

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13. This Xcode utility allows you to check CPU usage - memory allocation and network/file access (among other things)






14. A file folder in the navigator panel is called a ________






15. Boolean for 'true' in Objective-C






16. To zoom between an overview of the entire storyboard and the actual size view - ______ the storyboard background.






17. Code fragment for echo printing the name of a function as it loads (for tracing the sequence of code in a project...leaving breadcrumbs)

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18. Shortcut for writing: y = y * 5;






19. Class that creates an array capable of being changed after it is create






20. Modulus (remainder) operator






21. Extension for MainStoryboard






22. If a method name includes a colon (:) this indicates a required _________






23. A fully opaque image has an _______ property value of ______






24. Attribute that informs the system that the object referred to needs to be kept around and not discarded from memory






25. Although it is possible to declare an instance variable and then define a corresponding property - you may also use @property alone to...






26. Extension for interface file






27. Symbol often denoting a 'pointer'






28. Alternative selection mechanism when many conditions exist






29. Syntax to include the fictitious user-created file 'myFile.h'

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30. @synthesize directives should be placed _____ (above or below) the @implementation directive in the implementation file






31. Data type for true/false type variables






32. RAM for iPhone






33. Data type for highly precise numbers with huge numbers of decimal places






34. 4 Top down technology layers making up iOS






35. Memory aid for keyboard shortcuts in the Navigator panel

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36. Syntax for reserving memory and initializing an object






37. 'plist' stands for...






38. Collection of interface elements and data storage elements etc you can access from your applications






39. Given: [graduationParty addAttendee: @'Aunt Jane' withDish: @'deviled eggs']; The 'receiver' is _______; the 'selector' is _________






40. You have two labels in Interface Builder. One is selected (You clicked on it). How can you tell the distance between it and the other label?






41. strong and nonatomic are examples of ...






42. Used to receive an event in code and trigger something






43. ______ are variables that can store a ____ to an object.






44. The Inspector you will need if you want to connect a custom class to an object in Interface Builder






45. Extension for implementation file






46. Boolean for 'false' in Objective-C






47. The bar across the top of the Editor area that shows you the item you are editing






48. In the UK - the '#' symbol is often called the ____ symbol






49. What do the Autosizing settings of the Size Inspector do?






50. Which Apple project template creates a simple view/view controller application







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Can you answer 50 questions in 15 minutes?


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