What is appdelegate?
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What is uiviewcontroller in ios?
What framework is used to construct application's ios user interface?
What is Automatic Reference Counting (ARC) in iOS operating system?
What is auto-layout?
What manual memory management?
What is categories in iOS?
What ios version onwards arc can be used?
Multitasking support is available from which version?
Explain the usage of struct?
You wish to define your custom view. Which class will be subclassed?
How to download something from the internet?
What is core data?