Instructional Video
Khan Academy

Khan Academy: String Art (Video)

9th - 10th
In this video [2:55] lesson, they talk about some of the ways that math was used to create the forest in Brave. So the question is, how are they going to represent parabolic arcs in a way that artists can deal with, but computers can...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: The Central Processing Unit (Cpu)

9th - 10th Standards
Today, we're going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU's job is to execute the programs we know and love - you know, like GTA V, Slack... and Power Point. To make our CPU, we'll...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: How Computers Calculate the Alu

9th - 10th Standards
Today we're going to talk about a fundamental part of all modern computers. The thing that basically everything else uses - the Arithmetic and Logic Unit (or the ALU). The ALU may not have to most exciting name, but it is the...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: Instructions & Programs

9th - 10th Standards
Today, we're going to take our first baby steps from hardware into software! Using that CPU we built last episode, we're going to run some instructions and walk you through how a program operates on the machine level. We'll show you how...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: Hackers & Cyber Attacks

9th - 10th Standards
Not all hackers are malicious cybercriminals intent on stealing your data (these people are known as Black Hats). There are also White Hats, who hunt for bugs, close security holes, and perform security evaluations for companies. And...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: Graphical User Interfaces

9th - 10th Standards
Today, we're going to discuss the critical role graphical user interfaces, or GUIs played in the adoption of computers. Before the mid 1980's the most common way people could interact with their devices was through command line...
Instructional Video
PBS

Pbs Learning Media: Crash Course Computer Science: Natural Language Processing

9th - 10th Standards
As computers play an increasing role in our daily lives there has been a growing demand for voice user interfaces, but speech is also terribly complicated. Vocabularies are diverse, sentence structures can often dictate the meaning of...