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. Process of creating an active object from a class






2. Write a statement to declare and initialize a label object called 'myLabel'






3. Correct the error: label.text = 'Hello World !';

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4. An array of background images called 'bgImages' has been declared as an instance variable in your header file. You have created a set of 5 background images stored in UIImage variables wp1 through wp5. Write a line of code that initializes the array.






5. Companion to the @property directive






6. Proper way to pronounce a *.xib file

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7. Used to indicate any type of object






8. Directive to include other interface files that an application might need to access






9. Scaling factor to make an image suitable for retina display






10. Scaling - rotation - and translation are the most commonly used manipulations supported by _____ transforms - but skewing is also possible.






11. A class that implements a protocol is said to ____ to that protocol






12. Syntax for sending an object a message with no parameters






13. Defines the functional building blocks (classes) that make iOS devices perform certain actions






14. The Round Rect Button is found in this library






15. Calling a method is the same as...






16. What event do you use to detect a button tap?






17. IB

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18. Two-way selection logic block






19. Dimensions of iPhone (in points)






20. Another name for a 'button bar'






21. The Utilities area has two sections: ______ and ______






22. Purpose of 'Secure' attribute for text fields






23. Class that builds upon another class






24. Class used for image manipulations such as scaling - rotation and translation. Its data structure represents a matrix used for affine transformations.






25. Boolean for 'false' in Objective-C






26. Closes an interface file






27. Data type for true/false type variables






28. Method used to print information in an output panel






29. Declaring a method in an interface file - before it is actually implemented is called _______ the method






30. Key sequence to hide/show Utilities View






31. Master class in iOS






32. Class that allows URL management






33. Key sequence to hide/show Navigator View






34. Other name for an *.xib file






35. The Inspector you would access to gain access to various accessibility attributes






36. If you have an image file called 'myImage.png' and you make a hi-res version for the retina display - what should be the name of the new file?






37. _____ are methods that we can connect to events.






38. Formatting placeholder for strings






39. An _______ is used to enable your code to talk to objects within views






40. Fixed iteration repetition control structure syntax






41. Piece of information provided to a method when it is messaged






42. getters






43. The first method called when a user taps an application icon






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






45. A unique combination of view controller and view






46. In a stepper control - when this attribute option is checked - the stepper's value is automatically set to the minimum value when the maximum value is exceeded (or vice versa).






47. Class of collection data type which stores information as object/key pairs






48. What are the guidelines for the class prefix for a project?

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






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