Wednesday, 15 August 2012

TECHNOSOFT INFORMATICS-iPhone Interview Questions(Test Your iPhone Skills!)


iPhone interview questions

(Test your iPhone skills!)


What is iPhone? 

What are the features of iphone 3gs? 

What is iphone OS? 

What is iphone sdk? 

What is iphone architecture? 

What is iphone reference library? 

What are sensors in iphone? 

What are the location services?  

Describe the functionality of accelerometer of an iphone 

Explain about the applications that can be used with iphone 

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

Does iOS support multitasking?

Which JSON framework is supported by iOS?

What are the tools required to develop iOS applications?

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

Name the application thread from where UIKit classes should be used?

Which API is used to write test scripts that help in exercising the application's user interface elements? 

Why an app on iOS device behaves differently when running in foreground than in background?   
 How can an operating system improve battery life while running an app?

Which framework delivers event to custom object when app is in foreground?   

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

Give example scenarios when an application goes into InActive state?

When an app is said to be in active state?

Name the app sate which it reaches briefly on its way to being suspended. 

Assume that an app is not in foreground but is still executing code. In which state will it be in?

An app is loaded into memory but is not executing any code. In which state will it be in? 

Assume that system is running low on memory. What can system do for suspended apps? 
How can you respond to state transitions on your app? 

 List down app's state transitions when it gets launched. 

 Who calls the main function of you app during the app launch cycle? 

 What is the use of controller object UIApplication?

 Which object is create by UIApplicationMain function at app launch time? 

 How is the app delegate is declared by Xcode project templates?  

What happens if IApplication object does not handle an event? 

 Which app specific objects store the app's content?   
Which object manage the presentation of app's content on the screen?

Which is the super class of all view controller objects?

What is the purpose of UIWindow object?  

How do you change the content of your app in order to change the views displayed in the corresponding window?  

Define view object.

You wish to define your custom view. Which class will be subclassed?  

Apart from incorporating views and controls, what else an app can incorporate?  

What are layer objects and what do they represent?

 For More iPhone Questions & Answers & Mobile Applications based on Android,iPhone,Windows,J2ME training and  Campus Interview Training Program Contact to:
Mr.Rahul Jain | Mr. Rajesh Sharma at
TechnoSoft Informatics,105,Darshan Mall,Race Course Road,Indore.
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