Touch, pointing, and gesture devices are a category of input devices that allow users to interact with computers and electronic devices in more intuitive and natural ways.
These devices have become increasingly popular due to their ease of use and the rise of touch-based interfaces in smartphones, tablets, and modern computing devices.
Touchscreen
Allows users to interact directly with a screen by touching it, commonly found in smartphones, tablets, and some computer monitors.
Most modern touch-screen are capacitance based, multi-touch devices.
Which of the following is a type of touch input?
Pointing Devices
Mouse
A pointing device that allows users to move a cursor on a screen and interact with graphical user interfaces.
Trackball
Similar to a mouse, but users rotate a ball instead of moving the entire device. They are commonly used by people with motor disabilities who cannot use a mouse.
Touchpad
Commonly found on laptops, it allows users to control the cursor by swiping or tapping their finger on a touch-sensitive surface.
What is the purpose of a trackball?
Gesture Recognition Devices
Use sensors to detect hand or body movements, enabling touchless control and gesture-based interactions.
These are commonly used on games consoles and VR/AR devices. They are also used with smartphone cameras to assist in taking photos.
What is a gesture device?
Which of the following is an example of a gesture input?
Drawing and Pen Input Devices
Graphics Tablet
Used by artists and designers for digital drawing and graphic design work, often with a stylus or pen.
Digital Pen/Stylus
A standalone pen or stylus used for precise input on touchscreen devices or graphics tablets.
