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.
Inventors of the Modern Computer. The First Freely Programmable Computer invented by Konrad Zuse. By Mary Bellis. In 1941, the Z3 contained almost all of the features of a modern computer as defined by John von Neumann and his colleagues in 1946.The only exception was the ability to store the program in the memory together with the data.his was the world's first electronic, fully programmable digital computer based on a binary floating-point number and switching system. Zuse used old movie film to store his programs and data for the Z3, instead of using paper tape or punched cards.