What are ios functions?
What is factory methods ? What is the advantage of using it ?
When is an app said to be in active state?
what is navigation controller?
How can an operating system improve battery life while running an app in iOS operating system?
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What is iphone architecture?
What is uiwindow in ios?
what are the controllers are available in objective C
What is managed object context?
What is array in ios?
What is reuse identifier?
What is difference between mvc and mvvm in ios?
Explain app bundle?