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. The Inspector you would use to tweak the way interface objects appear
controller
To provide a convenient way of setting the button's title in the code
Attributes Inspector
57 x 57


2. How do you get rid of an onscreen keyboard?

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3. ______ enable applications to store multiple pieces of information in a single object
Collections
2
Cocoa Touch
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field


4. Multiline text entry block
UITextView
Document Outline Area or Outline View
nil
CGAffineTransform


5. The object currently in control and interacting with the user
Cocoa Touch - Media - Core Services - Core OS
First Responder
interface file
//blah blah blah


6. The name of the panel to the left of the Interface Builder Editor panel
NSLog(@'%s' - __FUNCTION__);
Document Outline Area or Outline View
png
productivity


7. Implements a logical OR condition
/*blah blah blah */
||
IBAction
hasShrunk==YES && hasMoved == YES


8. Formatting placeholder for strings
UITextView
[shrinkButton setTitle:@'Grow' forState: UIControlStateNormal];
%@
parameter


9. Development approach (design pattern) to structure iOS applications
Model-View-Controller
model
segue
pound


10. Denotes a class method
Model-View-Controller
+
Identity Inspector
%d


11. This type of app is typically one screen - and gives you the basics with minimal interaction
debugger
proxy
/*blah blah blah */
utility


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

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13. Collection of interface elements and data storage elements etc you can access from your applications
Program received signal: EXC_BAD_ACCESS
NSArray
interface and implementation files
Cocoa Touch


14. XML
*
Outlets ... pointer
eXtensible Markup Language
NSURLRequest


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

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16. Postcondition repetition structure syntax
do{/*stuff to do here*/}while(<boolean expression>);
int
variable
UIApplication


17. The Round Rect Button is found in this library
CGAffineTransform
Object Library
UIApplication
below


18. Files used to create a class
scene
image view
interface and implementation files
casting


19. Declare and initialize a string that says: 'Hello World' whose identifier if 'phrase' . Use the shortest command possible.

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20. Class that allows URL management
UITextView
NSURL
Isolate the functional components of an app
IBAction


21. A ______ is where you edit a view and assign a controller to it.
NSArray
instantiation
implicitly declare a matching instance variable
scene


22. 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?
Size Inspector
UIPicker
myImage@2x.png
#import 'myFile.h'


23. Creates 'getters' and 'setters'
==
for(<initialization>;<test condition>;<update instruction>){/*do this over and over*/}
@synthesize directive
Human Interface Guide


24. Given: [graduationParty addAttendee: @'Aunt Jane' withDish: @'deviled eggs']; The 'receiver' is _______; the 'selector' is _________
implementation file
Model-View-Controller
graduationParty ... addAttendee:withDish
Send the 'resignFirstResponder' message to the object that currently controls the keyboard (such as a text field)


25. Write a line of code creating a pointer to a wall paper image called 'wp1' that refers to a resource in an app with the file name 'wallPaper_01.png'

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26. A class that implements a protocol is said to ____ to that protocol
if(<boolean condition>){/* stuff to do*/} else{ /*stuff to do*/}
conform
@
storyboards


27. This element should 'always' accompany a slider to indicate its purpose
label
xcodeproj
Command+S
!


28. What property needs to be set before a scroll view (UIScrollView) will scroll?
contentSize
above
modal
header


29. Master class in iOS
nil
debugger
Command plus the navigator's position in the selector. For example - the project navigator shortcut is Command-1
NSObject


30. Attribute that informs Xcode not to worry about different parts of the application using a property at the same time
count++;
protocols
nonatomic
Cocoa Touch


31. Key sequence to run an app in Xcode
NSString
'Interface Builder'
Command+R
YES


32. A unique combination of view controller and view
Document Outline Area or Outline View
NSArray
scene
Home button


33. Process of creating an active object from a class
Model-View-Controller
instantiation
UIViewController
token


34. Extension for an iPhone/iPad app
count++;
xcodeproj
prototyping
below


35. A fully transparent image has an _____ property value of _____
Cocoa Touch - Media - Core Services - Core OS
alpha ... 0
To provide a convenient way of setting the button's title in the code
||


36. Resembles a slot machine display
storyboards
casting
@2x
UIPicker


37. What are data detectors?
Attribute settings for some onscreen controls (like text areas) that analyze content and provide helpful links based on what they find. For example - phone numbers can be touched to dial the phone; web addresses can launch Safari if tapped - etc
ommand+Return
Instruments
storyboard


38. If you wish to 'echo print' breadcrumb info as you develop your app - this panel must be visible
storyboard
@2x
Application Programming Interface
The Console area of the Debug area


39. ______ are variables that can store a ____ to an object.
Outlets ... pointer
-
do{/*stuff to do here*/}while(<boolean expression>);
!


40. Purpose of 'Secure' attribute for text fields
Treats the field as a password - hiding each character as it is typed
below
accessible apps
eXtensible Markup Language


41. Piece of information provided to a method when it is messaged
UIWindow
Model-View-Controller
parameter
Classes


42. Apps written to assist users with special disabilities
Collections
#import 'myFile.h'
Cocoa Touch
accessible apps


43. 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?
eXtensible Markup Language
NO
prototyping
Hold down the Option key and point to the other label. The distance will be shown


44. Define a collection of methods to perform a task
Model-View-Controller
detail disclosure
@
protocols


45. The Inspector you would access to gain access to various accessibility attributes
Collections
Identity Inspector
detail disclosure
attributes


46. The Inspector you will need if you want to connect a custom class to an object in Interface Builder
Identity Inspector
Human Interface Guide
IBAction)moveMe:(id)sender;
disclosure


47. The first method called when a user taps an application icon
modal
%d
:
main()


48. Symbol used for inheritance
accessible apps
:
*
view


49. Used to display image file resources and show simple animations
self
image view
mutators
Cocoa Touch


50. Tests to see whether two values are not equal
!=
NSURLRequest
variable
Actions