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.
Optical Mouse and Laser Mouse are two different types of mouse that are used in computer. The original mouse was powered by a heavy rubber ball, which would connect to a small wheel inside the mouse. The user would move the mouse on the ball and the trackball would reflect the movement on the screen.