With a masterâs degree, the average annual starting salary was $64,100. The 25th percentile earned $51,500, the 50th percentile made $62,000, and the 75th percentile earned $73,900.
First mechanical computer or automatic computing engine concept. In 1822, Charles Babbage purposed and began developing the Difference Engine, considered to be the first automatic computing engine that was capable of computing several sets of numbers and making a hard copies of the results.
The first computer mouse. The first computer mouse was invented in 1963 by Douglas Engelbart at the Stanford Research Institute. (He is also one of the inventors of hypertext.) The first mouse used two wheels positioned at a 90-degree angle to each other to keep track of the movement (see picture below).he IBM Personal Computer was introduced in 1981 as the IBM 5150. The platform became so pervasive in the 80s that although the term âpersonal computerâ had been in use since the early 70s, a PC became synonymous with an IBM PC-compatible computer.