6.1. Unit Overview¶
This unit focuses on Computing Systems and Networks, one of the big ideas in computer science. The App Inventor lesson in this unit shows how to use the Internet in apps, including the ability to send text messages over Wifi. The CS Principles lessons focus on the Internet, how it works, how it enables innovation and collaboration, and security concerns for using it. In this unit, students will complete a series of activities using network administration software tools such as Ping and Traceroute as well as use a Domain Name System (DNS) simulator app to explore how we communicate on the Internet with IP addresses.
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