What does PC input/output actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

We generally think of plugging new input/output devices into a computer and turning it on to get something new. But with this model, the previously stored data is changed by the new parts, too.

Input devices like keyboards, touchscreens, webcams and game controllers are designed and built to digitise the information they receive before sending it to the computer CPU for processing.

What does output device actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Revise the ways that informational technology controls the various systems in our homes. Learn the technology that requires input and output devices.

In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read().