What is the concurrency how many ways you know to achieve concurrency?
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Explain what is garbage collection?
Difference between sax parser and dom parser ?
What is the difference between android and ios?
What is ios architecture?
Can you please explain the difference between frame and bounds?
Who is the founder of ios?
What is meant by delegate in ios?
Who is the developer of ios?
What is called before viewdidload?
What is a memory leak ios?
What is framework in ios?
What is an NSOperationQueue and how/would you use it in iOS operating system?