An Apple patent spotted by Patently Apple shows a spring-loaded pop-up iPhone home button that acts as gaming joystick when in the raised position. Or, in patent language: An electronic device ...

Your commands, ideas, demands and concepts form the data your system processes and stores. Without user input, a computer simply takes up desktop space and waits for directions, like a lost motorist ...

The programmable logic controller (PLC) is a microprocessor-based system that accepts input data from switches and sensors, processes that data by making decisions in accordance with a stored program, ...

To interact with a computer, you need an intermediary, something that receives data you input and translates it for your computer. This intermediary is an input device. Input devices for communication ...