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@@ -7,4 +7,13 @@ Digital notes about 4th course of IT Automation with Python on Coursera created
 - Understand how to get to the root cause of a problem
 - Utilize the right approach for recurring problems and intermittent problems
 - Understand the difference between linear and binary searches
-- Search CSV files for invalid data
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+- Search CSV files for invalid data
+
+# Course prerequisites
+This course requires some familiarity with basic IT concepts:
+
+- Operating systems: file systems, processes, log files
+- Computer hardware: CPU, RAM, disk, graphic, and network cards
+- Basic networking: network connections and network bandwidth
+
+The example scripts and programs in this course are written in Python, so you’ll need an understanding of this programming language, too. 
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