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 happens when we invoke a method on a nil pointer?

775

What is latest mac os version?

885

What is meaning of 'synthesize' keyword ?

859

What is meaning of 'retain' keyword?

889

What is the meaning of 'weak' keyword?

836

What are the viewcontroller lifecycle in ios?

896

What is difference strong and weak reference ? Explain.

852

Explain stack and heap?

860

How to deal with sqlite database?

861

What is storyboard?

857

What is difference between 'protocol' and 'delegate'?

801

What manual memory management ? How it work?

826

What is 'notification'?

810

How to download something from the internet?

825

What happens if the methods doesn’t exist?

841

Un-Answered Questions { Mobile OS }

Explain what is application context?

959

What are layer objects?

860

Is it safe to use ubuntu?

787

What is the purpose of ios?

813

How to create alerts in android?

978

What is concurrency in ios?

859

What is equals method?

899

In android, the process technical to convert an address into its latitude and longitude is called?

989

Explain how to remove an i.t. Policy from a blackberry?

867

Explain what is a framework?

839

What is 'notification'?

810

What is onlistitemclick()?

998

Explain how app delegate is declared by Xcode project templates?

939

what are all instruments available in Xcode?

979

What is nine-patch images tool in android?

955

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