What is automatic reference counting (arc)?
Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)
What are blocks in ios?
What is synthesize in ios?
Explain UIApplication delegate
Who calls the main function of you app during the app launch cycle?
Whats the difference between frame and bounds?
Explain xctest test case code.
What is the benefit of setting reuseidentifier to a non-nil value?
Explain parent-child context setup. What are the advantages?
What is code signing in iOS operating system?
What is the short cut to open the “Code Snippet Library” in Xcode?
Please explain what is difference strong and weak reference?