What is tableview datasource?
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What is the difference between synchronous & asynchronous task ?
What is UIApplication?
How to de-symbolicate crash log?
What is swift and what is objective-c?
What does 2x resolution mean?
Which programming language is used in ios?
What are layers?
What is the difference between synchronous & asynchronous task in ios?
When dealing with property declarations, what is the difference between atomic and non-atomic?
What are the skills required for ios developer?
Explain differences between foundation and corefoundation
How can we use NSOperation queue? what is the advantage of using it ?