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?

834

What is latest mac os version?

929

What is meaning of 'synthesize' keyword ?

908

What is meaning of 'retain' keyword?

941

What is the meaning of 'weak' keyword?

892

What are the viewcontroller lifecycle in ios?

944

What is difference strong and weak reference ? Explain.

912

Explain stack and heap?

916

How to deal with sqlite database?

914

What is storyboard?

920

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

854

What manual memory management ? How it work?

898

What is 'notification'?

872

How to download something from the internet?

873

What happens if the methods doesn’t exist?

912

Un-Answered Questions { Mobile OS }

How do I update my os on my android?

1008

what is a binder service in android and how it differs from started service?

1072

Can you run ubuntu on windows 10?

767

What are the features of ios?

816

What is the importance of setting permissions in application development in Android programming?

1108

What is portable Wi-Fi hotspot in Android?

959

What is a android service?

989

What is message forwarding?

877

What is viewcontroller in swift?

882

When is an app said to be in active state?

820

Is swift compiled or interpreted?

966

What is the difference between closure and function in swift?

867

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

856

What is application context in android?

1047

Explain the steps in creating a bounded service through aidl.

953

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