What is the protocol in ios?
What is suspended state in ios?
Can we support the same application for iphone 3gs and iphone 5, 6, 7? Why not?
What are layers?
Explain the working of manual memory management?
What are extra features added in ios 9?
What is gcd ios?
What is protocol in ios swift?
Whats the difference between frame and bounds?
Why iphone apps are popular?
What is the difference between stack and heap?
Explain what is storyboard?
Explain what is struct?