Computers we use today do not necessarily appear out of nowhere but through a long process in evolution. Happenings advent of computers may be viewed in a historical flashback from the use of Abacus – are found in Babylon (Iraq) about 5000 years ago – as the first manual calculation tools, both in the scope of the school and among traders, at the time. At a later period have found the means calculating the mechanical type of the Pascaline invented by Blaine Pascal in 1642, Arithometer by Charles Xavier Thomas de Colmar in 1820, Babbage’s Folly by Charles Babbage in 1822, and Hollerith by Herman Hollerith in of 1889. All of which still form the machine completely without electricity. The size and complexity of its structure based on the calculations performed the operation. It was only in 1940, a new era started since the invention of the computer electrically electrical computer system to apply Boolean algebra.
Archive for July 22, 2011
Computer networks is not something new today. Almost in every company there is a computer network to facilitate the flow of information within the company. Internet is gaining in popularity today is a giant computer network that is connected to a computer network and can interact with each other. This can occur because of the development of network technology is very rapid, so that in a few short years the number of users of computer networks belonging to the Internet doubled.
Not infrequently a hollow layer of rocks that are not covered by a layer of hollow like mud, salt, or lime. It forms a sort of confinement for the hydrocarbons collected in one part of it. As the tectonic movement, was turned into a rock layer folds causing hydrocarbons come to adapt themselves. Hydrocarbons are trapped and then moving up to the bottom layer that is hollow, Read more