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

Mobile OS Interview Questions

Questions Answers Views Company eMail

Implement the following methods: retain, release, auto release in iOS operating system?

CDC,

804

What is dynamic in iOS operating system?

B-Ways TecnoSoft,

988

What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?

CDC,

842

What is a struct in iOS operating system?

B-Ways TecnoSoft,

771

Explain the difference between NSOperationQueue concurrent and non-concurrent in iOS operating system?

B-Ways TecnoSoft,

854

Which class will be subclassed in iOS operating system?

B-Ways TecnoSoft,

805

What is view object in iOS operating system?

B-Ways TecnoSoft,

923

Explain the options and bars available in xcode 4.x workspace window in iOS operating system

CDC,

827

What is the difference between retain & assign in iOS operating system?

B-Ways TecnoSoft,

1015

What is the difference between NSArray and NSMutableArray in iOS operating system?

CDC,

808

What is the purpose of UIWindow object in iOS operating system?

CDC,

831

What is Automatic Reference Counting (ARC) in iOS operating system?

B-Ways TecnoSoft,

829

Explain retain counts in iOS operating system?

CDC,

914

What are all the newly added frameworks iOS 4.3 to iOS 5.0?

CDC,

795

Define Android application resource files?

HCL,

869

Un-Answered Questions { Mobile OS }

what is a handler thread? How it is different from normal thread?

932

Which is the best version of ubuntu?

816

How to access the liveid credentials a user has entered into the device?

952

is code completion is active by default in iphone development?

802

Types of notification in android?

992

Can I run exe files on ubuntu?

914

What os do android phones use?

1013

What is nspersistentstorecoordinator?

804

What is race condition in swift?

944

What is arc xcode?

831

What is abstract class in swift?

859

Does the web browser control share the ie cache?

985

To display a notification on upper left of android screen, which of the following class you need to use?

852

How to set data for a spinner control?

899

Which api would you use to write test scripts to exercise the application’s ui elements?

763

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