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

Mobile OS Interview Questions

Questions Answers Views Company eMail

If any app can run in the background, what about battery life?

1 896

What do you know about home screen of ios?

1 873

Does ios supports multi-tasking functionality?

1 968

What is the mean of not running state in ios?

1 870

What are selectors in objective-c?

1 881

Explain what is storyboard?

1 845

Explain the significance of autorelease?

1 905

Explain mutable and immutable types in objective c programming language?

1 895

Explain "private", "protected" and "public"?

1 855

Explain me what is arc? How it works?

1 870

What is retain counts?

1 826

Who calls the main function of app during the app launch cycle in ios?

1 910

What are the features is ios 6?

1 913

Explain me what is fast enumeration?

1 935

Will the new design mean I have to completely relearn how to use my phone?

1 825

Un-Answered Questions { Mobile OS }

What is nsmanagedobjectcontext? What are the different concurrency types? Explain them.

818

Explain the common execution states for a swift ios app (ios application lifecycle).

877

What all devices have you worked on?

1036

Explain some biggest changes in usernotifications.

904

Which is the latest version of android?

1066

What is latest xcode version?

898

What are transient properties?

900

What is the latest version of edubuntu?

871

Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?

825

What is the purpose of reuseidentifier?

899

What is latest version of ios?

842

Which is the latest version of android os?

1029

Explain parent-child context setup. How does it work? What are the advantages?

834

How can you define a base class in swift?

920

How to handle concurrency problems in core data?

987

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