The back-and-forth motion of a swing is an example of a pendulum. We see pendulums in other areas of our lives as well, such as in grandfather (also known as longcase) clocks.ther factors, including a pendulum's length, can also affect its motion. Background. A pendulum is an object hung from a fixed point that swings back and forth under the action of gravity.
More than a century later, however, the worldâs first computer was actually built. 1890: Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million.
Charles Babbage was the first person to introduce the idea of programmable machines. Charles Babbage hardly imagined that his distaste for human errors would one day result in inventions such as desktop computers and laptop computers. The Atanasoff-Berry Computer (ABC) designed in 1937 was the name of the first computer. REF:http://www.buzzle.com/articles/who-invented-the-computer.html abhigna.p.v.