22nd
Jun
IOS Swift MCQ

IOS Swift MCQ

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  • 22nd Jun, 2022
  • 795 Followers

Take IOS Swift Quiz To test your Knowledge 

We have listed below the best IOS Swift MCQ Questions, that check your basic knowledge of IOS Swift. This IOS Swift MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to check your final preparation for the IOS Swift Exam/Interviews. apart from this, you can also download the IOS Swift MCQ PDF, completely free from the link given below.

Also, Read Best Swift Interview Questions.

Ios Swift MCQ Quiz

1) IOS Stands For ?

  • A. Internetwork Operating System
  • B.IPhone Operating System
  • C.Internet Operating System
  • D.None Of Them

2) The IDE Used In Swift Is

  • A. Swiftc
  • B.Gas
  • C.Xcode
  • D.Ld

3) To Create Mutable Object __ Is Used

  • A. Let
  • B.Var
  • C.Both A&B
  • D.None

4) Which Of The Following IOS Frameworks Is A Commonly Used Third Party Library?

  • A. AVFoundation.framework
  • B.Audiotoolbox.framework
  • C.AFNetwork.framework
  • D.Audiotoolbox.framework

5) To Create Contants In Swift We Use Keyword ...

  • A. Conts
  • B.Let
  • C.Contants
  • D.None Of Above
Download Free : IOS Swift MCQ PDF

6) Double Has A Precision Of At Least _ Decimal Digits In Swift.

  • A. 15
  • B.20
  • C.17
  • D.None Of These

7) First IOS Was Written In

  • A. 1984
  • B.1985
  • C.1986
  • D.1987

8) We Can Return Multiple Values In Swift From Function By Using?

  • A. Array
  • B.Tuple
  • C.Both A&B
  • D.None

9) Which Of The Following Is Incorrect Data Type In SWIFT ?

  • A. UInt
  • B.Double
  • C.Char
  • D.Optional

10) If You Do Not Want To Mention External Name In Function Call, Then What Should Be Preceded Before The Parameters While Defining The Function?

  • A. ?
  • B.!
  • C._
  • D.\

11) The Most Recent Version Of MacOS Is Based On ... ?

  • A. WINDOWS
  • B.LINUX
  • C.UNIX
  • D.CMOS

12) To Initialize Variable With Null Require...

  • A. ?
  • B.!
  • C._
  • D.NULL

13) Meaning Of IOS Is?

  • A. SystemIntergrated Open System
  • B.Integrated Operating
  • C.Internetworking Operating System
  • D.None Of Above

14) What Is A LLVM ?

  • A. Swiftc Compiler
  • B.Contains Both Compiler (swiftc And Objective C)
  • C.Objective C Compiler
  • D.None Of The Above

15) Which Of The Following Is Incorrect Value Type Of The Swift?

  • A. Double
  • B.Character
  • C.Enum
  • D.Class

16) For Unwrapping Value Inside Optional What Should We Use?

  • A. ?
  • B.@
  • C.!
  • D.None Of These

17) What Was The Original Name Of IOS?

  • A. IPhone OS
  • B.IOS Is Original Name
  • C.IPad OS
  • D.IPod OS

18) Multitasking In IOS Was Introduced In Which Version?

  • A. IOS 2.0
  • B.IOS 4.0
  • C.IOS 6.0
  • D.IOS 7.0

19) IOS Is A __software.

  • A. Proprietary
  • B.Free And Open Source

20) Which Of The Following Framework Is Not Used In IOS ?

  • A. UIKit Framework
  • B.AppKit Framework
  • C.Foundation Framework
  • D.CoreMotion Framework

21) Which Of The Following Declares A Mutable Array In Swift?

  • A. Let X =[Int]()
  • B.Var X=[Int]
  • C.Var X=[Int]()
  • D.Let X=[Int]

22) Application Running In Foreground But Currently Not Receiving Any Events .what Is The Current State Of Application?

  • A. Background State
  • B.Inactive State
  • C.Suspended State
  • D.Active State

23) What Is Bundle In IOS

  • A. It Is A Class
  • B.It Is Used To Send Data
  • C.It Is Folder With .app Extension
  • D.None Of Above

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