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?

818

What do you know about home screen of ios?

819

Does ios supports multi-tasking functionality?

911

What is the mean of not running state in ios?

818

What are selectors in objective-c?

824

Explain what is storyboard?

772

Explain the significance of autorelease?

851

Explain mutable and immutable types in objective c programming language?

837

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

786

Explain me what is arc? How it works?

831

What is retain counts?

764

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

850

What are the features is ios 6?

853

Explain me what is fast enumeration?

874

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

777

Un-Answered Questions { Mobile OS }

What is a protocol in swift?

863

Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?

776

What are the features of ios?

758

What is category and class extension?

861

What is nspersistentstore? Is it thread safe?

937

Do swift classes inherit from nsobject?

761

explain the best way to detect that I am in design-mode in expression blend or visual studio?

932

How to parse json? Explain

839

What is difference between activity & service?

922

Would I be able to keep in touch with some c++ work in the equivalent .m record? Will it compile? Assuming no, what changes would it be a good idea for me to do to compile it?

711

Explain xib?

823

What is equals method?

899

Describe intents?

976

Who is the inventor of ubuntu?

852

List the functions of walrus storage controller?

690

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