Explain the difference between 'protocol' and 'delegate'?
What is oops in ios?
Implement the following methods: retain, release, auto release in iOS operating system?
How respond to state transitions on your app in ios?
Why core data is faster than sqlite?
Which all frameworks you worked in ios ?
What is delegate in ios objective c?
What language is ios written?
Explain keywords alloc and new?
Are the nsmanagedobjectcontext queues serial or concurrent?
What is cocoa framework in ios?
What is a model class?
Will the new design mean I have to completely relearn how to use my phone?