Why do we need to use @Synthesize in iOS operating system?
Give example scenarios when an application goes into inactive state?
What is arc xcode?
Explain stack and heap?
Explain which all events will perform an ios application in background
Explain parent-child context setup. How does it work? What are the advantages?
What is grand central dispatch ios?
What are the app states in ios?
What is libdispatch?
What is the mean of not running state in ios?
What are all the difference between iOS3, iOS4 and iOS5?
How we can execute some code when app is in background?
What is bundle id?
So how is the new look different from the old look?
How you will store user info (username, password or token) securely in ios?