What is arc?
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What is background state in ios?
What is uiviewcontroller in ios?
What are layer objects and what do they represent in iOS operating system?
What is thread safe?
How to animate view with constraint?
Explain difference between mrc and arc?
What manual memory management ? How it work?
An app is loaded into memory but is not executing any code. In which state will be in?
Assume that an app is not in foreground but is still executing code. In which state will it be in?
When can you get ios 13?
What is the difference between atomic and nonatomic properties?
What are the tools required to develop iOS applications?