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Lesson 4: Computer components. What are the parts of a computer? CPU, memory, input & output. Input & output devices. Central Processing Unit (CPU)
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Discover the different types of input and output devices that computers use to communicate with humans and other machines. Learn with Khan Academy's interactive lessons and quizzes.
Khanmigo is now free for all US educators! Plan lessons, develop exit tickets, and so much more with our AI teaching assistant.
Discover how the internet routes packets across multiple paths and avoids congestion with a simple protocol. Khan Academy explains it all.
Learn about the Internet protocols and their role in computer networking on Khan Academy's free educational platform.
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The CIE chromaticity diagram, created by the International Commission on Illumination, represents all colors humans can perceive. Its perceptual uniformity allows us to find the mixture of two colors by looking at their midpoint, whereas the hue saturation color wheel does not.
In this video, we'll learn how to represent solids, liquids, and gases using particulate models. The particles in a solid are either highly ordered (if the solid is crystalline) or have no regular arrangement (if the solid is amorphous). In both cases, the motion of the particles is limited. The particles in a liquid are close together and are constantly moving and colliding.
Computer programming; AP®︎/College Computer Science Principles; Pixar in a Box; See all Computing; Arts & humanities; US history; AP®︎/College US History; US government and civics; AP®︎/College US Government & Politics; Constitution 101. NEW. World History Project - Origins to the Present;