Chapter 5 discusses various types of computer input devices including keyboards, mice, pointing devices, controllers, voice recognition, cameras, scanners, terminals, biometrics, and devices for physically challenged users. It describes how these devices work and are used to enter data, commands, and instructions into computers. Recommended input configurations are provided for different types of users including home, small office, mobile, and power users as well as large businesses. Alternative devices help those with physical limitations to interact with computers.