Introduction to the internet infrastructure
14 Topics | 1 Quiz UNDERSTANDING WEB BROWSERS
4 Topics URLs and Web Addresses
7 Topics Introduction to Email
3 Topics Email Etiquette and Safety
3 Topics INTRODUCTION TO SOCIAL MEDIA
3 Topics Understanding Online Security
3 Topics Cyberbullying and Online Etiquette
3 Topics Online Shopping and E-commerce
3 Topics 
What is internet?
The internet, sometimes simply called the net, is a worldwide system of interconnected computer networks and electronic devices that communicate with each other using an established set of protocols. The internet was conceived by the Advanced Research Projects Agency (ARPA) of the U.S. government in 1969. (Source: From the Tech Targets)
