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?

735

What is latest mac os version?

843

What is meaning of 'synthesize' keyword ?

812

What is meaning of 'retain' keyword?

831

What is the meaning of 'weak' keyword?

783

What are the viewcontroller lifecycle in ios?

844

What is difference strong and weak reference ? Explain.

790

Explain stack and heap?

805

How to deal with sqlite database?

810

What is storyboard?

804

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

746

What manual memory management ? How it work?

770

What is 'notification'?

757

How to download something from the internet?

784

What happens if the methods doesn’t exist?

787

Un-Answered Questions { Mobile OS }

Is there anyway to determine if an intent passed into a broadcastreceiver’s on receive is the result of a sticky broadcast intent, or if it was just sent?

870

What is if else statement?

948

Explain androidmanifest.xml file and why do you need this?

889

What are the different versions of android os that you remember?

902

Is ubuntu better than linux?

815

What is the difference between let and var in swift?

851

Is swift difficult to learn?

767

Who owns ubuntu?

626

Explain the difference between strong and retain.

720

What happens to isolatedstorage when app is uninstalled?

895

What is activity in android?

925

What's the difference between android os and android system?

899

What are the features is ios 12.1?

804

What are regular expression and responder chain in swift?

899

How do I upgrade my android phone?

924

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