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 ...

In Figure 2, the output pin traverses from 3.3 V below ground up to 3.3 volts above the power supply voltage.With this excursion, you can see the reaction of the minimum, typical, and maximum output ...

Mechanical control systems (staplers, car windows) use parts for movement/force control. They include input, process, and output. Types of motion: linear, rotary, reciprocating, oscillating.

Determine the input and output jacks that you need to convert. Stereo output ports are generally RCA (color-coded red and white) or 1/4-inch, which are shaped like headphone jacks but much larger.