A free app for Android, by Therithal Info.

This course contains a study guide for each topic that covers all the important concepts.

The topics include:

• Digital and analog signals
• Components of digital and analog signals
• Signals and their transmission
• The different types of transmission lines and their characteristics

The questions are organized in a way that will help you to understand the concept better.

You can take the test at the end of each chapter. The results will help you to improve your understanding of the topic.

This course is ideal for those who are interested in studying the subject of engineering, but do not have a lot of time.