Apple iOS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apple iOS Interview Questions

Questions Answers Views Company eMail

What is App Bundle in iOS operating system?

TryTechnicals Pvt Ltd,

903

What are all the difference between categories and subclasses in iOS operating system?

TryTechnicals Pvt Ltd,

761

What is an NSOperationQueue and how/would you use it in iOS operating system?

UGC Corporation,

833

What is plist file and explain about it is usage in iOS operating system?

UGC Corporation,

795

Multitasking support is available from which version in iOS operating system?

TryTechnicals Pvt Ltd,

919

Which app specific objects store the app's content in iOS operating system?

TryTechnicals Pvt Ltd,

800

How can we achieve singleton pattern in iOS?

Winsol Solutions,

845

What is Delegation in iOS?

UGC Corporation,

805

Why do we need to use @Synthesize in iOS operating system?

TryTechnicals Pvt Ltd,

781

Is the delegate for a CAAnimation retained in iOS operating system?

Winsol Solutions,

847

How to represent layer objects in iOS operating system ?

TryTechnicals Pvt Ltd,

802

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

TryTechnicals Pvt Ltd,

858

Is there any garbage collector concept available in iOS?

Winsol Solutions,

811

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

TryTechnicals Pvt Ltd,

797

What are layer objects in iOS operating system?

SwanSoft Technologies,

830

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Un-Answered Questions { Apple iOS }

Explain parent-child context setup?

770

Explain the significance of autorelease?

847

What is difference between static library and framework?

907

what is your preferred programming language? Why? How long will it take you to learn a new programming language?

1292

What is mvc? Mvc architecture of iphone app.

930

Who calls the main function of app during the app launch cycle in ios?

848

Explain application sandboxing.

775

Will iphone 6s get ios 14?

758

What’s the difference between an “app id” and a “bundle id” and what is each used for?

877

What are the different store migration options? How do they work?

785

What language is ios written in?

816

How do I exit safe mode on my iphone?

810

What are layer objects and what do they represent in iOS operating system?

808

What's the latest version of ios?

902

How to animate view with constraint?

774

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