1.1. A computer mouse is a hand-held pointing device that detects two-dimensional motion relative to a surface
2. Graphics tablet
2.1. graphics tablet is a computer input device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper
3. Touchpad
3.1. A touchpad or trackpad is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user's fingers to a relative position on the operating system that is made output to the screen
4. Joystick
4.1. joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling
5. Gamepad
5.1. A gamepad, joypad, or simply controller is a type of game controller held in two hands, where the fingers (especially thumbs) are used to provide input.
6. Pedals
6.1. A pedal is a lever designed to be operated by foot
7. Webcam
7.1. A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network
8. Touchscreen
8.1. A touch screen is a computer display screen that is also an input device. The screens are sensitive to pressure; a user interacts with the computer by touching pictures or words on the screen.
9. Keyboard
9.1. Computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys.
10. Microphone
10.1. Microphone - device that converts sound waves into analogous electrical waves
11. Steering wheel
11.1. A racing (steering) wheel is a method of control for use in racing video games, racing simulators, and driving simulators
12. Scanner
12.1. A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display
13. Trackball
13.1. A trackball is a computer cursor control device used in many notebook and laptop computers.
14. Motion sensors
14.1. A motion detector is a device that detects moving objects, particularly people. Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
15. barcode reader
15.1. Barcode readers (barcode scanners) are electronic devices for reading printed barcodes
16. Eye tracker
16.1. Eye tracking is a technology that puts you in control of your device by using your eyes as you naturally would. A device or computer equipped with an eye tracker “knows” what a user is looking at. This makes it possible for users to interact with e.g. computers using their eyes.
