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Smart fabric designer Madison Maxey and founder and maker Danielle Applestone explain the different components that allow computers to input, store, process, and output information.
Input & output devices | AP CSP (article) | Khan Academy
For example, does my Polaroid camera function as both an input and output device? Are the faucets at my sink considered input while the taps are considered output?
Computer memory (RAM) | AP CSP (article) | Khan Academy
For example you can install a single RAM card with 8 GB capacity or you can install 2x RAM cards with 4 GB capacity (2 x 4GB = 8GB). However memory frequency, memory size and brand all matters, …
The immune system review (article) | Khan Academy
You are correct that all living things have DNA, but that doesn't mean all things with DNA are alive. For example, viruses do have DNA, but they don't have any cells. Therefore, viruses are not alive. It's …
The immune system review (article) | Khan Academy
You are correct that all living things have DNA, but that doesn't mean all things with DNA are alive. For example, viruses do have DNA, but they don't have any cells. Therefore, viruses are not alive. It's …
Programming with variables | AP CSP (article) | Khan Academy
For example, if you have a dictionary for a user account, you could have "Bob" stored with the key "Name" and "23" stored with the key "Age". Then, you could later lookup "Name" or "Age" in the …
XOR bitwise operation (article) | Ciphers | Khan Academy
Specifically why XOR must be used when performing the one-time pad on computers. Bitwise simply means that we are dealing with individual bits, or binary numbers. In any modern/computerized …
Semantic networks and spreading activation - Khan Academy
This general elevation and availability is called spreading activation. For example, if I say "fire engine," not only do you think of a fire engine, but related concepts such as trucks, fire, even the color red …
Information processing and the discovery of iconic memory
The sketchpad stores visual information, like a photograph, while the loop deals with words and numbers. The job of coordinating the two falls to the central executive – connecting an address you …