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 IApplication does not handle an event?

1 2232

How would you create your own custom view?

1 2099

What is App Bundle?

1 2190

Whats a struct?

1 2122

Whats the difference between NSArray and NSMutableArray?

1 2312

Explain retain counts

1 3286

Whats the difference between frame and bounds?

1 3295

Is a delegate retained?

1 2932

Outline the class hierarchy for a UIButton until NSObject.

1 3384

Multitasking support is available from which version?

1 2546

How many bytes we can send to apple push notification server?

1 2462

Where can you test Apple iPhone apps if you don’t have the device?

1 2068

Which JSON framework is supported by iOS?

B-Ways TecnoSoft,

1 2910

What are the tools required to develop iOS applications?

B-Ways TecnoSoft,

1 2445

. Name the framework that is used to construct application’s user interface for iOS.

1 2229

Un-Answered Questions { Mobile OS }

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

854

Which types of flags are used to run an application on android?

943

What is anim/ directory?

937

What is api level, codename of android 5.0 – 5.1?

973

What is the full form of swift code?

872

Is ios written in swift?

766

What is difference between weak and strong in ios?

769

Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

880

What is mobile agent in distributed system?

Explain resource in android?

848

What is sticky intent?

951

Differentiate between ‘assign’ and ‘retain’ keyword.

883

What does adb stands for?

1015

What design patterns do you use in ios? : IOS Architect

765

Which is the application thread from where uikit classes should be used?

771

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