1.1 Mechanical Devices One of the earliest mechanical devices for calculating was the Pascaline, invented by the French philosopher and mathematician Blaise Pascal in 1642. The Pascaline was a complicated set of gears similar to a clock, and had the capability to add and subtract numbers. Later in the 17th century Gottfried Wilhelm von Leibniz, a famous mathematician, invented a device that could multiply, divide, calculate square roots, as well as addition and subtraction. He called it …showed first 75 words of 2246 total…

…showed last 75 words of 2246 total…but holds a lot more information starting at 100 MB. Hard Disk Array: External to the PC, it holds enormous amounts of data. That can be made transportable. They are towers of several hard drives that combine to make a very large HD. 1.16 Object-Oriented Programming Computers are in every industry. And programs for different business’s become more unique and advance. As this happens the need for a better programming language and programmers becomes more apparent.