If the device's main purpose is to gather information for the computer, then it's an input device. If its main purpose is to let the computer communicate information to the user, then it's an output …

Computer components How does the computer receive, store, and process data? Explore how input and output devices, CPU, and computer memory work.

The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results. The CPU is constantly following instructions of computer programs …

Input is data that is given to a computer or program for processing. When you hit a key on your keyboard, the fact of that keystroke is sent as data to the computer processor as input.

Understand hardware, software, CPU, memory, storage devices, and key characteristics of a computer system.

They may look different, but they all share the same underlying technology. The more we understand how that technology works, the more we can use the computers around us to help …

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, …

How can the input of one computer become the output for another (and vice versa)?

Practice variables, user input, and string concatenation to construct Khan Academy site URLs.

Computers perform more than simple Boolean logic operations on input data, and they typically output more than a single binary digit. Computers definitely use logic gates for all their …