Mechanical Devices

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 …

…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.