Series 66. What is the 'Series 66'. Series 66 is an exam administered by the Financial Industry Regulatory Authority (FINRA). Successful completion of the Series 66 exam is equivalent to successful completion of both the Series 63 and Series 65 exams.
The earliest optical mouse came out in 1980. One of the earliest prototypes was invented by Steve Kirsch at MIT. Another optical pointing device was invented by Richard Lyon. These early devices would play a role in changing the history of the computer mouse.
Type of mouse that has a ball located on the bottom that rolls around on a flat surface as the mouse is moved. Sensors inside the mouse determine the direction and distance of the movement - Input. Optical mouse. Type of mouse that uses a laser to detect the mouse's movement and has no moving parts - Input.