Cocoa Programming for Mac OS X MCQs
Cocoa Programming for Mac OS X MCQs
Our team has conducted extensive research to compile a set of Cocoa Programming for Mac OS X MCQs. We encourage you to test your Cocoa Programming for Mac OS X knowledge by answering these 100+ multiple-choice questions provided below.
Simply scroll down to begin!
1: __________ is NOT one of the Cocoa Objective-C object libraries.
A. Core Data
B. Touch Kit
C. Foundation Kit
D. Application Kit
2: A ________ is a list of information read by applications while they are launching.
A. method
B. property list
C. function
D. class
3: What is protocol?
A. Used in Java
B. Part of classes interface
C. A list of variables
D. Not used
A. Interface Builder
B. Dock
C. Aqua
D. XCode
5: ______ is the root class for most classes in the Objective-C class hierarchy.
A. NSLog
B. NSResponder
C. NSEvent
D. NSObject
6: Which is the correct statement:
A. #import <UIKit/UIKit.h>
B. &import <UIKit/UIKit.h
C. ()import <UIKit/UIKit.h>
D. $import <UIKit/UIKit.h>
7: Which statement is correct:
A. NSColor* houseColor = [housePaintObj color].
B. NSColor* houseColor = [housePaintObj color]]
C. NSColor* houseColor = [housePaintObj color]\
D. NSColor* houseColor = [housePaintObj color];
8: Before you can begin,you must download and install the ____.
A. Microsoft Word
B. ZIP FILE
C. iOS SDK
D. Windows OS
9: Which language are iOS apps coded in?
A. C++
B. Objective-C
C. C#.Net
D. J2EE
10: Does the current iOS version support multitasking?
A. Yes
B. No
11: Which objects DO exist in the Cocoa framework?
A. NSLog
B. MSLog
C. LSLog
D. KSLog
12: What is the proper statement?
A. label.text = @"Hello World",
B. label.text = @"Hello World";
C. label.text = &"Hello World";
D. label.text = @"Hello World":
13: True or False? The two most important Mac OS X developer tools are XCode (formerly Project Builder) and Interface Builder.
A. True
B. False
A. postive attitude
B. NS
C. A letter
D. MS
15: _______ provides Cocoa as its object-oriented appliciation programming interface (API).
A. Apple
B. Sun
C. Oracle
D. Microsoft
16: Which extension file is NOT in use in Xcode?
A. Possession.xib
B. Possesion.aspx
C. Possesion.m
D. Possession.h
17: What IDE does iOS use?
A. Xcode
B. Visual Studio
C. Eclipse
D. Apple
18: The Cocoa API for iOS is called?
A. Chocolate Cake
B. Cocoa Touch
C. Cocoa Gesture
D. JellyBean
19: There is only one computer you can code IOS on. Which is it?
A. ASUS
B. Mac
C. Xbox360
D. Dell
20: True or False? Cocoa uses the Model-View-Controller (MVC) design pattern.
A. False
B. True
21: The Cocoa Framework is OOP. Why is that helpful?
A. Its not worth the time to learn
B. Everytime you want to uses code that someone has written, you have to rewrite every line
C. OOP allows the coder to reuse and customize existing objects into their new code.
D. You cannot reuse code once it exists
22: What framework(s) make up Cocoa?
A. System.Web
B. AppKit and Foundation
C. Spring
D. MVC
23: AutoReleasePool BEST refers to:
A. Xcode functionality
B. Oracle
C. Memory Management
D. Exception classes
24: What does a debugger do?
A. It is used to create UIViews in Xcode
B. Helps finds errors in your code.
C. It sets up your iOS environment
D. It is used to troubleshoot OS problems with iPad
25: Which Cocoa class is used to create a string?
A. MSLog
B. NSString
C. MSString
D. NSLog
26: Which objects do NOT exist in the Cocoa framework?
A. NSString
B. NSMutableDictionary
C. NSRedman
D. NSLog
27: ________ is used to create application interfaces and make connections between interface objects.
A. Aqua
B. XCode
C. Dock
D. Interface Builder
28: Which one is NOT a UI control in Xcode?
A. ASP Textbox
B. View Controller
C. Page View Controller
D. Label
29: Which objects are NOT part of Cocoa framework?
A. NSMutableDictionary
B. NSSting
C. NSApple
D. NSPoint
30: Application ______ are stored in a file with a .icns extension.
A. includes
B. icons
C. headers
D. nibs
31: The ________ is a framework that defines a base layer of Objective-C classes.
A. Application Kit
B. Foundation Kit
C. Core Data
D. Aqua
32: OOP stands for Object Oriented Programming. It is used for:
A. Its an installer to download XCode from the internet and build on your Mac
B. Code reuse
C. In Xcode its called the Simulator which allows you to test your mobile apps in a virtual environment
D. It will send your completed app project to the App Store.
33: True or False? NSDictionary objects can be changed after initialization.
A. True
B. False
34: What does the term "nil" mean in reference to a variable?
A. "nil" is only used inreference to exception management
B. No object is in reference to the variable
C. It doesn't affect the value of a variable at all.
D. "nil" is incorrect it should be dispose
35: Whenever you customize an existing class, it is called:
A. Programming
B. Disposing
C. Architecting
D. subclassing
A. class
B. nib
C. category
D. header
A. started
B. moved
C. disposed
D. changed
38: True or False? Objective-C classes are objects.
A. True
B. False
39: The "NS" in NSObject stands for:
A. Next Step
B. Nasa Studios
C. Nothing Short
D. Name Steve
40: True or False? A Cocoa program may not be compiled from a command-line prompt.
A. True
B. False
41: What are atomic and nonatomic associated with?
A. Mac Lion
B. iPhone 3
C. Exception handling
D. Multithreading
42: A property:
A. A list of variables
B. A point in time
C. sets getter/setter methods
D. a characteristic
43: The most commonly used debugger used with Cocoa is ______.
A. Mac OS X
B. Visual Studio debugger
C. GDB
D. Aqua
44: True or False? Cocoa allows you to move objects in the main nib to other separate nibs to improve load performance.
A. True
B. False
45: What does GCD stand for?
A. Grand Control Display
B. Grand Central Dispatch
C. Great Central Dispatcher
D. General Code Destroyer
46: In Objective-C, methods are represented by a ______ which is a string describing the method to call.
A. selector
B. object
C. cursor
D. category
47: Objective-C uses the concept of ______ which allows modifications to an existing class in-place.
A. class copying
B. categories
C. inheritance
D. private classes
48: True or False? Objective-C does not have a constructor or destructor.
A. False
B. True
49: Which control wold you want to use as a data source?
A. label
B. Button
C. View Controller
D. UITableView
50: In the Interface Builder, the _______ contains stock items in Cocoa that you can drag-and-drop into your application.
A. Document Window
B. Application Window
C. Menu Bar
D. Library Palette
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