An input device is any device you use to move data into your Mac. Some input devices enable you to input data to create documents, images, movies, and so on. The other type of data input devices enables you to control your Mac.
There are three types of essential input devices: keyboards, mice, and trackpads. However, many varieties of each device exist, and in the case of mouse devices, some of the varieties are hardly recognizable as being a device of that type. There are other types of input devices you might want to use, such as a graphics tablet.
In the context of this chapter, ...