When to use nsmutablearray and when to use nsarray?
What are sensors in iphone?
Push notification working in ios?
Can you pass same core data objects between different threads and modify?
Explain difference between sax parser and dom parser?
How is it possible to improve battery life during execution of an application?
What is a memory leak?
How do I get a call when my ipad rings?
Explain about MVC Design patters
An app is loaded into memory but is not executing any code. In which state will be in?
What is strong and weak in ios?
Explain UIApplication delegate
What is error in application in iphone?