SWIFT Quiz

(Total Question : 24)

Q.1

What are the characteristics of Switch in Swift?

A. It supports any kind of data, and not only synchronize but also checks for equality

B. When a case is matched in switch, the program exists from the switch case and does not continue checking next cases. So you don?t need to explicitly break out the switch at the end of case

C. Switch statement must be exhaustive, which means that you have to cover all possible values for your variable

D. All of the above

Q.2

How do you declare an Iboutlet property?

A. IBOutlet var button:UIButton

B. var button:UIButton(IBOutlet)

C. var button:UIButtonoutlet

D. None of the mentioned

Q.3

What are the features of Swift Programming?

A. It eliminates entire classes of unsafe code

B. Variables are always initialized before use

C. Arrays and integers are checked for overflow

D. All of these

Q.4

What are the control transfer statements used in Swift?

A. Continue

B. Break

C. Fallthrough

D. All of these

Q.5

What are the advantages of Swift?

A. Swift is safe

B. Swift is fast

C. Swift is open source

D. All of the above

Q.6

What\'s are the new features in Swift 4.0?

A. Faster, easier to use Strings that retain Unicode correctness

B. Smart key paths for type-safe, efficient, extensible key value coding for Swift types

C. Added some enhancements to creating dictionary and Set types

D. All of the above

Q.7

What type of integer is denoted by \"Int8\"?

A. Open

B. Signed

C. Unsigned

D. Close

Q.8

Given : var stringValue:String = ?Justin Gif?. What is the result of stringValue = nil?

A. stringValue == nil

B. stringValue == ?Justin Gif?

C. the compiler won\'t allow it

D. None

Q.9

What are the collection types in Swift?

A. Dictionary and array

B. Array and library

C. Dictionary and library

D. Library, dictionary and array

Q.10

Swift is which type of language?

A. scripting language

B. object-oriented programming language

C. type safe language

D. All of the above

Q.11

Which of the following framework is not used in iOS ?

A. UIKit Framework

B. AppKit Framework

C. Foundation Framework

D. CoreMotion Framework

Q.12

iOS stands for ?

A. Internetwork Operating System

B. iPhone Operating System

C. Internet Operating System

D. None of Them ?

Q.13

Which of the following hierarchy is correct?

A. UIButton->UIControl->UIView->NSObject->UIResponder

B. UIControl->UIButton->UIView->UIResponder->NSObject

C. UIButton->UIControl->UIView->UIResponder->NSObject

D. None of the Above

Q.14

Which of the following iOS frameworks is a commonly used third party Library?

A. AVFoundation.framework

B. Audiotoolbox.framework

C. AFNetwork.framework

D. CFNetwork.framework

Q.15

The application has not been launched or was running but terminated by the device.Determine the current state of App.

A. Suspended state

B. Background state

C. Inactive state

D. Not running state

Q.16

Flash Applications is supported in iPhone browsers.Is it true?

A. Yes

B. No

C. It supports flash applications from apple only.

D. Supports partially

Q.17

Which of the following statement is wrong ?

A. IBAction is a type qualifier used by IB to enable connection user experience elements and app code.

B. IBAction resolves to void

C. IBAction is a macro defined to denote a method that can be referred to in Interface Builder.

D. None of them

Q.18

Application is in background. Not executing any code.What is the current application state?

A. Inactive state

B. Active state

C. Background state

D. Suspended state

Q.19

Which of the following statement is wrong?

A. IBOutlet are macro defined to denote a variable that can be referred to in Interface Builder

B. IBOutlet resolves to Id

C. BOutlet resolves to nothing

D. IBOutlet is a type qualifier used by Interface Builder as a connection point for sending messages from app code to a user interface element

Q.20

Application in background & executing background tasks.Determine current state of Application.

A. Not running state

B. Inactive state

C. Background state

D. Suspended state

Q.21

iOS remote push notification is introduced by apple in which version?

A. iOS 2.0

B. iOS 3.0;

C. iOS 4.0;

D. iOS 6.0;

Q.22

Which of the following is a default UI property?

A. assign

B. non-atomic

C. atomic

D. None of them

Q.23

Multitasking in iOS was introduced in which version?

A. iOS 2.0

B. iOS 4.0;

C. iOS 6.0;

D. iOS 7.0

Q.24

Application is running in foreground and receiving events.What is the current App State?

A. Inactive state

B. Background state

C. Active state

D. Suspended state

Related Quiz

SWIFT Quiz

Q.1

What are the characteristics of Switch in Swift?

Q.2

How do you declare an Iboutlet property?

Q.3

What are the features of Swift Programming?

Q.4

What are the control transfer statements used in Swift?

Q.5

What are the advantages of Swift?

Q.6

What\'s are the new features in Swift 4.0?

Q.7

What type of integer is denoted by \"Int8\"?

Q.8

Given : var stringValue:String = ?Justin Gif?. What is the result of stringValue = nil?

Q.9

What are the collection types in Swift?

Q.10

Swift is which type of language?

Q.11

Which of the following framework is not used in iOS ?

Q.12

iOS stands for ?

Q.13

Which of the following hierarchy is correct?

Q.14

Which of the following iOS frameworks is a commonly used third party Library?

Q.15

The application has not been launched or was running but terminated by the device.Determine the current state of App.

Q.16

Flash Applications is supported in iPhone browsers.Is it true?

Q.17

Which of the following statement is wrong ?

Q.18

Application is in background. Not executing any code.What is the current application state?

Q.19

Which of the following statement is wrong?

Q.20

Application in background & executing background tasks.Determine current state of Application.

Q.21

iOS remote push notification is introduced by apple in which version?

Q.22

Which of the following is a default UI property?

Q.23

Multitasking in iOS was introduced in which version?

Q.24

Application is running in foreground and receiving events.What is the current App State?