
Input & output devices | AP CSP (article) | Khan Academy
Fortunately, computers have come a long way since the 1970s, and we can now input data into them using a variety of easy-to-use devices. The most common input devices are the …
CPU, memory, input & output (video) | Khan Academy
Computers can take many different types of input, like the keyboard of a computer, the touch pad of a phone, a camera, a microphone, or a GPS, but even the sensors on a car, a thermostat, …
CPU: Central Processing Unit | AP CSP (article) | Khan Academy
It's impressive that we can put together seemingly simple devices like logic gates to create CPUs that power complex devices like our phones, computers, and even self-driving cars.
Computer memory (RAM) | AP CSP (article) | Khan Academy
When input devices send binary data to a CPU, it immediately stores that data in memory to make it easier to process.
What are the parts of a computer? (article) | Khan Academy
Personal computers usually take input from their keyboard, their mouse and/or touchpad, from any USB, ethernet, or HDMI ports available, and from wireless connections like WiFi and …
Logic gates | AP CSP (article) | Khan Academy
The logic gates that we've presented here are abstract representations of real devices. A logic gate describes any device that can take in values of 0 or 1 and output a 0 or 1 according to its …
Hardware and Software (video) | Khan Academy
Basically bringing the hardware and the software together to give you all the games that you love on your Xbox. Oh. (laughing) - When you look inside a computing device you see a bunch of …
Exploring microcomputers (article) | Khan Academy
Most of what you see on that green circuit board are inputs and outputs, like power, USB, microSD, HDMI, and GPIO (General Purpose Input Output ports, to connect to the electric …
Linearity (article) | DC circuit analysis | Khan Academy
Every semiconductor device is non-linear (diodes and transistors) and they are used every day by the billions. Engineers have figured out how to use non-linear devices, and you will, too, as …
Input and output devices (practice) | Khan Academy
Let's solve some problems to better understand input and output devices.