Beginning of the computer that actually created by a British mathematics professor, Charles Babbage (1791-1871). 1812, Babbage noticed natural fit between the mechanical and mathematical machinery of mechanical machines is very good at doing the same tasks repeatedly without error, while math requires a simple repetition of these steps Kemudain tertentu.Masalah grown to placing the machine mechanics as a tool to answer Babbage mekanik.Usaha needs first to address this problem emerged in 1822 when he proposed a machine to melakukanperhitungan differensial.Mesin equation is called the Machine Differensial.Dengan using steam power, the machine can store programs and can perform calculations and print the results automatically .
After working with Differential Engine for ten years, Babbage was suddenly inspired to start making general-purpose computer first, called the Analytical Engine.Asisten Babbage, Augusta Ada King (1815-1842) has an important role in the manufacture of machinery ini.Ia help revise the plan, seek funding from the British government, and communicating the specifications to publik.Selain's Analytical Engine, a good understanding of Augusta on this machine makes it possible to put instructions into the machine and also make it a female programmer who pertama.Pada 1980, the Department of Defense United States named a programming language with the name of the ADA as a tribute to him.
Babbage's steam engine, although never completed, it seems very primitive when compared with the standard kini.Bagaimanapun also, the tool describes the basic elements of a modern computer and also revealed a concept penting.Terdiri of about 50,000 components, the basic design of the Analytical Engine using perforated cards (with holes) that contains the operating instructions for the machine.
In the Year 1889, Herman Hollerith (1860-1929) also applies the principle of perforated cards to make his first penghitungan.Tugas is to find a faster way to perform calculations for the U.S. Census Bureau Serikat.Sensus previously conducted in 1880, took seven years to complete perhitungan.Dengan growing population, the Bureau estimates that it takes ten years to complete the census calculations.
Hollerith used perforated cards to enter census data which is then processed by the tool in mekanik.Sebuah card can store up to 80 variabel.Dengan using these tools, the results of the census can be completed within six minggu.Selain have an advantage in the areas of speed, the card serves as data.Tingkat storage media miscalculation drastis.Hollerith also can be pressed and then develop these tools and sell them to people luas.Ia founded the Tabulating Machine Company in 1896 which later became International Business Machine (1924) after some time another such merger.Perusahaan Remington Rand and Burroghs also produce a card reader bisnis.Kartu perforation perforation for business use by businesses and governments to permrosesan data until 1960.
In the next period, some engineers to make new discoveries lainnya.Vannevar Bush (1890-1974) created a calculator to solve differential equations in the year 1931.Mesin can solve complex differential equations that have been considered among akademisi.Mesin complicated by the very large and heavy as hundreds of serrations and the shaft is required to perform perhitungan.Pada 1903, John V. Atanasoff and Clifford Berry tried to make a computer that applied Boolean algebra electrical circuits elektrik.Pendekatan is based on the work of George Boole (1815-1864) in the form of a binary system of algebra, which states that any mathematical equation can be expressed as true or salah.Dengan conditions apply right and wrong into the electrical circuit in the form of connect-off, Atanasoff and Berry made the first electric computer in their project 1940.Namun stalled due to loss of funding sources.
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