IOS MCQ (Multiple Choice Questions), IOS Online Quiz

1 .

Which company introduced IOS?

A)

IBM

B)

Intel

C)

Apple

D)

Google

Correct Answer : Apple

Explanation : iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.

2 .

When was iOS first introduced?

A)

June 29, 2007

B)

June 29, 2008

C)

June 29, 2009

D)

June 29, 2010

Correct Answer : June 29, 2007

Explanation : The iPhone(retrospectively referred to unofficially as the iPhone 2G, iPhone 1 or original iPhone) is the first iPhone model and the first smartphone designed and marketed by Apple Inc. After years of rumors and speculation, it was officially announced on January 9, 2007, and it was released in the United States on June 29, 2007.

3 .

Which country iPhone is original?

A)

UK

B)

USA

C)

China

D)

South Korea

Correct Answer : USA

Explanation : The company signs all its products, "Designed by Apple in California," but in the U.S., design is as far as Apple is willing to go. The tech giant outsources hundreds of thousands of manufacturing jobs to countries like Mongolia, China, Korea and Taiwan.

4 .

iOS Stands for?

A)

Internet Operating System

B)

Internetwork Operating System

C)

iPhone Operating System

D)

None of the Above

Correct Answer : iPhone Operating System

5 .

Which framework is not used in iOS?

A)

CoreMotion Framework

B)

Foundation Framework

C)

UIKit Framework

D)

AppKit Framework

Correct Answer : AppKit Framework

6 .

Which of the following is Application development environments for iOS?

A)

Cocoa

B)

Cocoa iOS

C)

Cocoa begin

D)

Cocoa touch

Correct Answer : Cocoa touch

Explanation : Cocoa touch is an application development environments for iOS.

7 .

Cocoa touch used to refer the application development using any programmatic interface?

A)

TRUE

B)

FALSE

C)

None of the Above

D)

--

Correct Answer : TRUE

Explanation : True, Cocoa touch used to refer the application development using any programmatic interface

8 .

IOS is written in which programming languages?

A)

HTML,CSS,Angular

B)

React, Redux,Swift

C)

C#,Node,Objective-C, Swift

D)

C, C++, Objective-C, Swift

Correct Answer : C, C++, Objective-C, Swift

9 .

A unique string which is helpful in identifying the application to the system is called Admin ID.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : False

10 .

iOS remote push notifications are introduced by apple in?

A)

iOS 1.0

B)

iOS 2.0

C)

iOS 3.0

D)

iOS 4.0

Correct Answer : iOS 3.0

Explanation : iOS remote push notifications are introduced by apple in iOS 3.0

11 .

What does SOC stand for?

A)

System of Copy

B)

System on Chip

C)

Sun Operations Corp

D)

None of the Above

Correct Answer : System on Chip

12 .

Which JSON framework is supported by iOS?

A)

UIKit

B)

Django

C)

SBJson

D)

UCJson

Correct Answer : SBJson

Explanation : iOS supports SBJson framework. SBJson is a JSON parser and generator for Objective-C. It provides flexible APIs and additional control, making JSON handling easier.

13 .

__________ is a two-part string used to identify one or more apps from a single development team.

A)

app ID

B)

team ID

C)

bundle ID

D)

All of the Above

Correct Answer : app ID

Explanation : An App ID is a two-part string used to identify one or more apps from a single development team. The string consists of a Team ID and a bundle ID search string, with a period (.) separating the two parts.

14 .

Which of the following is a default UI property in IOS

A)

atomic

B)

assign

C)

non-atomic

D)

None of the Above

Correct Answer : atomic

15 .

Delegate in iOS is used to generate the relationship between the objects.

A)

Yes

B)

No

C)

None of the Above

D)

--

Correct Answer : Yes

Explanation : Yes, Delegate in iOS is used to generate the relationship between the objects and it serves with one-to-one communication.

16 .

which of the following commands displays the syntax for the clock command?

A)

c

B)

cl

C)

Both (A) and (B)

D)

clock?

Correct Answer : clock?

17 .

To create an emulator, you need an AVD. What does it stand for?

A)

Active Virtual Device

B)

Android Virtual Display

C)

Application Virtual Display

D)

Android Virtual Device

Correct Answer : Android Virtual Device

18 .

The Iphone has a_________that activates when you rotate the device from portrait to landscape.

A)

Special Sensor

B)

Accelerometer

C)

Shadow detector

D)

None of the above

Correct Answer : Accelerometer

19 .

Which of the following Iphone Os version supports video calling and multitasking?

A)

Iphone 2.0

B)

Iphone 3.2

C)

Iphone 4.0

D)

Iphone 5.0

Correct Answer : Iphone 4.0

20 .

Which iOS frameworks is a commonly used third party Library?

A)

AVFoundation.framework

B)

AFNetwork.framework

C)

Audiotoolbox.framework

D)

CFNetwork.framework

Correct Answer : AFNetwork.framework

21 .

How many ways to achieve concurrency in iOS?

A)

3

B)

4

C)

8

D)

6

Correct Answer : 3

Explanation : The three ways to achieve concurrency in iOS are : Threads, Dispatch queues and Operation queues

22 .

When an app is said to be in not running state?

A)

When it is launched

B)

When it is not launched

C)

When it gets terminated by the system during running

D)

Both (B) and (C)

Correct Answer : Both (B) and (C)

Explanation : An app is said to be in ‘not running’ state in the following cases: When it is not launched and When it gets terminated by the system during running

23 .

Key Value Coding (KVC) is used to access a value or property with the help of string.

A)

True

B)

False

C)

None of the Above

D)

--

Correct Answer : True

Explanation : True, Key Value Coding (KVC) is used to access a value or property with the help of string.

24 .

does Flash Applications supports in iPhone browsers?

A)

Yes

B)

No

C)

None of the Above

D)

--

Correct Answer : Yes

25 .

In Which state the app is running in the foreground and is receiving events?

A)

Background

B)

Active

C)

Inactive

D)

Not running

Correct Answer : Active

Explanation : Active state: when the app is running in the foreground and is receiving events. This is the normal mode for foreground apps.

26 .

How many parts of NSError object?

A)

1

B)

2

C)

3

D)

4

Correct Answer : 3

Explanation : There are three parts of NSError object a domain, an error code, and a user info dictionary.

27 .

ARC stands for?

A)

Auto Reference Counting

B)

Automatic Reference Cloud

C)

Automatic Reference Cocoa

D)

Automatic Reference Counting

Correct Answer : Automatic Reference Counting

28 .

_________ is used to detect modifications to a value or property.

A)

KVA

B)

KVR

C)

KVO

D)

KVZ

Correct Answer : KVO

Explanation : Key Value Observing (KVO) is used to detect modifications to a value or property.

29 .

Which of the following built-in database used in iOS?

A)

MySQL

B)

Oracle

C)

SQLite

D)

Apache

Correct Answer : MySQL

30 .

Which of the following are the ways of achieving concurrency in iOS?

A)

Threads

B)

Dispatch queues

C)

Operation queues

D)

All of the Above

Correct Answer : All of the Above

31 .

When setting up your serial interfaces, what does the clockrate command do for your connection?

A)

Establishes keepalives

B)

Establishes the timing at which you send data

C)

Establishes the time on the router

D)

Establishes the advertised bandwidth

Correct Answer : Establishes the timing at which you send data

32 .

Through _________ users can dispatch queues, prioritize queues, POSIX threads, and thread objects.

A)

DOS

B)

IOS

C)

QOS

D)

POS

Correct Answer : QOS

Explanation : Using QOS in iOS, users can dispatch queues, prioritize queues, POSIX threads, and thread objects. When the user assigns the task priority wise, iOS apps give a quick response.

33 .

Which of the following is not a property types in iOS?

A)

delete

B)

retain

C)

atomic

D)

non-atomic

Correct Answer : delete

Explanation : The various property types are atomic & non-atomic, assign, strong, weak, retain and copy.

34 .

Which of the following is the official application store of iOS?

A)

Apple Play

B)

App Store

C)

Google Play

D)

Jolla Store

Correct Answer : App Store

35 .

Which of the following prompts indicates your router is in Privileged EXEC mode?

A)

Router>

B)

Router#

C)

Router$

D)

Router&

Correct Answer : Router&

36 .

You have made a console connection to your Cisco Catalyst 1900 series switch and you see the > symbol in HyperTerminal. What does it mean?

A)

The switch is in need of repairs

B)

You are in Privileged EXEC mode

C)

The switch has not been configured

D)

You are in User EXEC mode

Correct Answer : You are in User EXEC mode