What is a trackball? We will explain the basic concepts of operability and comfortable usability.

Explanation of IT Terms

What is a trackball?

A trackball is a pointing device used to navigate and control the cursor on a computer screen. It consists of a stationary ball housed within a device that allows users to move the ball with their fingers or palm. Unlike a traditional mouse, which requires users to physically move the entire device on a flat surface, a trackball allows for cursor movement by simply rolling the ball with your thumb or fingers.

The Basics of Operability

Trackballs offer several advantages over conventional mice, especially in terms of operability. One of the key benefits is the ability to perform precise movements with minimal effort. Since the ball is manipulated with the fingers, the cursor can be controlled with high accuracy, ideal for tasks that require pixel-perfect precision, such as graphic design or CAD work.

Moreover, a trackball allows for a more relaxed and comfortable hand position compared to continuously moving a mouse across a desk. This stationary design reduces the strain on the wrist and arm, which can alleviate the risk of repetitive strain injuries (RSIs) that can result from prolonged computer use.

Comfortable Usability

In addition to operability, trackballs offer a comfortable and enjoyable user experience. The ergonomic design of trackballs accommodates different hand sizes and allows users to find their preferred grip style. This customization feature ensures that the device fits comfortably in the hand, minimizing any discomfort or fatigue during extended usage periods.

Furthermore, a trackball eliminates the need for a large surface area to move the mouse, making it suitable for small or crowded workspaces. With a trackball, users can enjoy unrestricted cursor control without worrying about limited desk space or the need for a mousepad.


Trackballs are versatile and ergonomic alternatives to traditional mice, offering precise cursor control and comfortable usability. With their stationary design and finger-manipulated ball, trackballs provide a more relaxed experience while reducing the risk of RSIs. Whether for professional design work or everyday computing, incorporating a trackball into your setup can significantly enhance operability and user comfort.

Reference Articles

Reference Articles

Read also

[Google Chrome] The definitive solution for right-click translations that no longer come up.