Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

What is an NSOperationQueue and how/would you use it in iOS operating system?

UGC Corporation,

891

What is plist file and explain about it is usage in iOS operating system?

UGC Corporation,

860

Multitasking support is available from which version in iOS operating system?

TryTechnicals Pvt Ltd,

965

Which app specific objects store the app's content in iOS operating system?

TryTechnicals Pvt Ltd,

855

How can we achieve singleton pattern in iOS?

Winsol Solutions,

906

What is Delegation in iOS?

UGC Corporation,

853

Why do we need to use @Synthesize in iOS operating system?

TryTechnicals Pvt Ltd,

839

Is the delegate for a CAAnimation retained in iOS operating system?

Winsol Solutions,

922

How to represent layer objects in iOS operating system ?

TryTechnicals Pvt Ltd,

865

What is the difference between copies & retain in iOS operating system?

TryTechnicals Pvt Ltd,

920

Is there any garbage collector concept available in iOS?

Winsol Solutions,

868

How can an operating system improve battery life while running an app in iOS operating system?

TryTechnicals Pvt Ltd,

856

What are layer objects in iOS operating system?

SwanSoft Technologies,

888

What is notification in iOS?

TryTechnicals Pvt Ltd,

929

Explain how an autorelease pool works at the runtime level in iOS

SwanSoft Technologies,

996

Un-Answered Questions { Mobile OS }

What are the collection types that are available in swift?

831

Which is the best android version?

996

What is windows phone?

1151

What is lazy var in swift?

927

What is completion handler in ios?

891

What is iphone architecture?

896

Explain about Blackberry Operating System?

1011

Explain me what is armv7?

978

What is not true about the android application lifecycle?

1030

Does installing ubuntu remove windows?

805

What is mvp android?

946

Explain what are intent filters?

1001

Who calls the main function of our app during the app launch cycle?

920

What is a sticky broadcast? Give an example.

1066

What is plist?

949

For More Un-Answered { Mobile OS } Questions Click Here