Minggu, 24 Mei 2009

First generation

With the occurrence of the Second World War, countries that are involved in the war is trying to develop computer mengeksploit strategic potential of the computer. This funding increase and accelerate development progress in computer engineering computer. In the year 1941, Konrad Zuse, a German engineer to build a computer, the Z3, to design aircraft and guided missile.

The partners are also making progress in the development of computer power. Year 1943, the British completed the secret computer code breaker called for Colossus code-breaking secret that Germany used. Impact of not making too Colossus affect development of the computer industry because of two reasons. First, the colossus is not a multipurpose computer (general-purpose computer), it was only designed to solve the mystery code. Second, the existence of this machine are kept confidential until a decade after the war ended.

Business conducted by the United States at the time the progress of others. Howard H. Aiken (1900-1973), an engineer working with Harvard IBM, succeeded in producing electronic calculators for the U.S. Navy. The calculator is a measurement of the length of half a foot ball field and have a range of 500 miles along the cable. The Harvd-IBM Automatic Sequence Controlled Calculator, or Mark I, is a electronic relay computer. He used to drive signals elektromagnetik mechanical components. Beropreasi machine with the slower (it requires 3-5 seconds for each calculation) and is not flexible (order calculations can not be changed). The calculator can perform calculations aritmatik base and a more complex equation.

Development of the computer is now in the Electronic Numerical Integrator and Computer (ENIAC), produced by the cooperation between the United States and the University of Pennsylvania. Consisting of 18,000 vacuum cleaner tubes, resistor 70000, and 5 million solder point, the computer is a machine that consume a very large power of 160kW.

This computer was designed by John Presper Eckert (1919-1995) John W. dn Mauchly (1907-1980), ENIAC is a versatile computer (general purpose computer) that work 1000 times faster than Mark I.

In mid-1940's, John von Neumann (1903-1957) joined the team in the University of Pennsylvania usha concept desin build a computer up to 40 years, the technique is still used in the computer. Von Neumann designing discrete Electronic Variable Automatic Computer (EDVAC) in the year 1945 with sebuh memory to hold both programs and data. This technique allows the computer to stop at a time and then continue the job again. Key von Neumann architecture is a central processing unit (CPU), which allows all functions of the computer to be coordinated through a single source. Year 1951, UNIVAC I (Universal Automatic Computer I) made by Remington Rand, became the first commercial computer to use the von Neumann architecture model is.

Both the United States Census and General Electric have UNIVAC. One of the impressive results that are achieved by UNIVAC to predict success in victory Dwilight D. Eisenhower in the 1952 presidential election.

First generation computer in the characteristics of the fact that operating instructions are specific to a particular task. Each computer program code has a different binary-called a "language machine" (machine language). This is difficult for the computer and programmed to limit the speed. The other computer is using the first generation of vacuum cleaner tube (which makes the computer the size is very large)and cylinder for magnetic data storage.

source www.geocities.com