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Konrad Zuse

( Scientific programming)

Comments for Konrad Zuse
Biography Konrad Zuse
photo Konrad Zuse
The work they started in 1933, . and three years later he built a computer model of mechanical, . in which the binary number system, . presentation of floating-point, . three-address system programming and punched,
. Conditional transition when programming was not foreseen. Then, as the element base Zuse selects relay, which by that time has long been used in various fields of technology

. In 1938, Zuse made the car model Z1 16 machine words, . next year - a model Z2, . and even after 2 years he has built the world's first functioning computer with program control (model Z3), . which was shown at the Deutsche Research Center for Aviation,
. It was a relay binary machine, which has a memory of 6422-bit floating-point numbers:

7 bits - for the order and 15 - for the mantissa. In the arithmetic unit used parallel arithmetic. The team consisted of operating and address of. Data entry was carried out using the decimal keyboard. Provides a digital output, and automatic conversion of decimal numbers into binary and back. Time of addition of the model Z3 - 0,3 seconds. All these examples of cars were destroyed during the bombing during the Second World War. After the war, Zuse made the Z4 and Z5 model.

Zuse in 1945, created a language PLANKALKUL ( "Calculus plans"), which refers to the earliest forms of algorithmic languages. This language was more machine-oriented, but at some points concerning the structure of objects, according to his ability, even superior to ALGOL based solely on work with numbers.


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