Test your basic knowledge |

iOS 5 App Development Basics

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. getters
-
accessors
IBAction)moveMe:(id)sender;
do{/*stuff to do here*/}while(<boolean expression>);

2. Boolean for 'true' in Objective-C
YES
while(<boolean expression>){/*stuff to do here*/}
view
modal views

3. Implements a logical AND condition
&&
model
viewDidLoad
contentSize

4. Multiline text entry block
mutators
NSString *phrase = @'Hello World';
do not
UITextView

5. In the MVC design pattern for iOS apps - this aspect provides the underlying data and methods that offer information to the rest of the application
/*blah blah blah */
model
Cocoa Touch
NSMutableArray

6. Process of creating an active object from a class
UIWindow
114 x 114
instantiation
pound

7. Storage place for a piece of information specific to a class
instance variable
Xcode
Scheme
modal views

8. Property affecting an element's transparency
workspace
@
parameter
alpha

9. setters
eXtensible Markup Language
mutators
model
NeXSTEP

10. Proper way to pronounce a *.xib file

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

11. Size of iPhone 'lo-res' icon image in pixels
@synthesize directive
Single View Application
57 x 57
disclosure

12. 'plist' stands for...
@synthesize
controller
property list
114 x 114

13. Key sequence to hide/show the Assistant Editor
Option-click a symbol
ption+Command+Return
modal views
Classes

14. Two-way selection logic block
boiler-plate
disclosure
if(<boolean condition>){/* stuff to do*/} else{ /*stuff to do*/}
:

15. This type of app is mostly custom controllers and graphics
Option-click a symbol
interface and implementation files
immersive
'Interface Builder'

16. Indicates a lack of any value at all
nil
Document Outline Area or Outline View
parameter
The Console area of the Debug area

17. Crash statement likely when an NSString is assigned a value with an incorrect format
retain
Program received signal: EXC_BAD_ACCESS
Outlets ... pointer
Xcode

18. _____ are methods that we can connect to events.
prototyping
interface and implementation files
web view
Actions

19. Single line text field
NSString *userName;
workspace
token
UITextField

20. Apple's classes often provide a special initialization method called a _____ method
Model-View-Controller
Cocoa is the development framework used for most native Mac OS X applications; Cocoa Touch is customized for a touch interface
convenience
XML

21. Formatting placeholder for strings
%@
@
iOS Simulator
Human Interface Guide

22. Opens the Xcode Quick Help Assistant
Option-click a symbol
UILabel *myLabel = [[UILabel alloc] initWithString:@'GO!'];
#import <UIKIT/UIKIT.h>
nil

23. Formatting placeholder for a floating point value with one digit on the left of the decimal and two digits on the right
label
h
%1.2f
IBOutlet

24. RAM for iPhone
NSURLRequest
UIImageView
512MB
do not

25. The Inspector you would access to gain access to various accessibility attributes
below
@
Identity Inspector
!

26. Symbol used for inheritance
:
NSDictionary
storyboards
convenience

27. Syntax for sending an object a message with no parameters
alpha ... 1
convenience
[<object variable> <method name>];
prototyping

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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

29. UI
Command+1
ption+Command+Return
IBOutlet
User Interface

30. Name of the drop-down menu in Xcode that lets you select the device used with the iOS Simulator
Outlets ... pointer
implementation file
alpha ... 0
Scheme

31. Files used to create a class
nested message send
[[<class name> alloc] init];
interface and implementation files
accessible apps

32. iPhone and iPad ____ support .png transparency
Command+S
do not
UIWindow
wrap

33. To use a new class you need to _____ it
instantiate
Integrated Development Environment
eXtensible Markup Language
[[<class name> alloc] init];

34. Class that allows URL management
NSLog
NSURL
detail disclosure
iOS Simulator

35. Synonym for interface file
casting
2
hasShrunk==YES && hasMoved == YES
header

36. Class that builds upon another class
m
subclass
productivity
scene

37. If you wish to 'echo print' breadcrumb info as you develop your app - this panel must be visible
!=
The Console area of the Debug area
controller
protocols

38. Recommended image type for button graphics
Cocoa is the development framework used for most native Mac OS X applications; Cocoa Touch is customized for a touch interface
%d
png
Look at the three icons at the upper left portion of the Debug console. The far left one - 'Show only the Variables View' will not show the NSLog-ed information. Click the center icon ('Show the Variables View and the Console') or the right icon ('Sh

39. Something the simulator cannot reliably test
onscreen 'widgets' a user can interact with
Disables the Return key on the keyboard unless the user has entered at least a single character of input into the field
segue
performance

40. Storage location for a piece of information
variable
do{/*stuff to do here*/}while(<boolean expression>);
switch
Human Interface Guide

41. A transition between scenes - frequently with a visual transition effect applied
segue
property list
stub
Object-oriented programming

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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

43. Declaring a method in an interface file - before it is actually implemented is called _______ the method
header
prototyping
%d
XML

44. Connections between Objects in the Interface Builder and the header file are formed by _____-_______ from the object to the proper place in the header file
control-dragging
Scheme
Option-click a symbol
%@

45. Closes an interface file
label.text=@'Hello World!';
nonatomic
interface file
@end

46. Syntax to include UIKIT in a class
int
/*blah blah blah */
header
#import <UIKIT/UIKIT.h>

47. Shortcut for writing: count = count + 1;
count++;
UITextView
scene
&&

48. Data type for numbers with 'tame' numbers of decimal points
%1.2f
float
IBOutlet
ption+Command+Return

49. Scaling factor to make an image suitable for retina display
storyboard
CGAffineTransform
2
The Console area of the Debug area

50. Directive to include other interface files that an application might need to access
instance variable
@end
import
wrap