This operating system powers many of Apple's products including the iPhone, iPad, and iPod. iOS stands for "iPhone Operating System." It is the operating system for Apple devices, and it is considered the second most popular mobile operating system globally after Android. No doubt, we have seen the abbreviation iOS hundreds of times. What are synchronous and asynchronous tasks in iOS? In what way can you execute asynchronous tasks in iOS? How can you implement storage and persistence in iOS? State the difference between strong, weak, read only and copy. Explain the function of the completion handler. State the difference between KVC and KVO in Swift. What is the JSON framework supported by iOS? Why design patterns are important? Name some of the popular design patterns used in iOS? What are generics in swift and write its usage? What do you mean by lazy property in iOS? What are the important features of Swift? Name the most important data types in Objective-C? iOS Interview Questions for Experienced.Write the difference between assign and retain keywords. What do you mean by the SpriteKit and SceneKit framework in the context of game development? State the difference between App ID and Bundle ID? Write different ways to achieve concurrency in iOS? What is the framework that is utilized to build an application's interface for iOS? Which programming languages are used for iOS development? State the difference between Cocoa and Cocoa Touch. What is ARC (Automatic Reference Counting)? Explain what is GCD (Grand Central Dispatch) in iOS. State the difference between Android and iOS. What is an iOS developer and what are his responsibilities? What are different types of iOS Application States? Can you explain the difference between atomic and nonatomic properties? What is the default for synthesized properties?
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