Content: Thread Management (Added Q & A) - What is the difference between asynchronous and synchronous task?

Author: onthecodepath

README.md

@@ -49,6 +49,7 @@ Use the Table of Contents to practice and test your knowledge. It doesn't show t
     - What is the difference between a struct and a class?
     - What is the difference between implicit and explicit?
 - [Thread Management](https://github.com/onthecodepath/iOS-Interview-Questions#thread-management)
+    - What is the difference between synchronous and asynchronous task?
     - What is the difference between atomic and non-atomic synthesized properties?
     - What is GCD and how is it used?
     - Explain the difference between Serial vs Concurrent.
@@ -275,6 +276,10 @@ In the first line above, the name variable is *explicitly* declared since the ty
 
 ## Thread Management
 
+#### What is the difference between synchronous and asynchronous task?
+
+Synchronous tasks wait until the task has been completed while asynchronous tasks can run in the background and send a notification when the task is complete.
+
 #### What is the difference between *atomic* and *non-atomic* synthesized properties?
 
 First, properties are set to *atomic* by default.