The inventor behind the computer mouse is Douglas C. Engelbart, a renowned American computer scientist.
In the early days of computing, the mouse might not have been the first thing missed when navigating a computer screen. However, its introduction in 1963 by Douglas Carl Engelbart at the Stanford Research Institute marked a significant turning point in computer interaction.
Before the widespread use of graphical user interfaces, Engelbart developed the first computer mouse. This invention, now a staple in modern computing, was a departure from the traditional command-line interfaces that dominated the scene at the time.
The computer mouse, as we know it, has evolved significantly since its inception. Originally, it was a bulky device with a rolling ball beneath it, which was replaced by the more streamlined optical mice that track movement using light-emitting diodes. Today, wireless mice transmit movement data to the computer via radio, offering users the freedom to move without the constraints of a physical cord.
Another input device that has gained popularity is the trackball. Similar to the mouse, it features a roller ball on top that is rotated with the fingers instead of moving the entire device. Some users find the trackball less straining on the arm during long computer sessions, but learning to use it error-free can take some time, especially for those accustomed to a "normal" mouse.
The keyboard, on the other hand, has a more familiar history. Originating from the typewriter, it was significantly improved and patented by Franz Xaver Wagner and his son Hermann in 1897. John T. Underwood later produced and popularized this design, setting the standard for all subsequent typewriters and keyboards.
In the era of mobility, the touchpad has become a convenient alternative to the mouse. Most laptops have a touchpad, a small rectangular field in front of the keyboard, which allows the mouse pointer to be moved by moving a finger on the surface. This feature provides a practical solution for working while traveling, as a computer mouse can be cumbersome in such situations.
Finally, graphics tablets are special input devices operated with a pen, used for precise work in graphics and construction areas. Although less common than the mouse, trackball, and touchpad, they are popular among CAD constructors, computer graphics designers, and architects.
In conclusion, the computer mouse, trackball, touchpad, and graphics tablet have each played a crucial role in the evolution of computer input devices. From the early days of computing to the present, these devices have revolutionised the way we interact with our computers, making them more intuitive and user-friendly.