Electromechanical
By 1938 the us Navy had developed an electromechanical analog computer small enough to work with aboard a submarine . This was the Torpedo Data Laptop or computer , which used trigonometry to solve the problem of firing a torpedo at the moving target. During World War II similar devices were developed far away as well.
Imitation of Zuse 's Z3 , the first fully automatic, a digital (electromechanical) computer.
Early digital computers were electromechanical; electric switches drove mechanical relays to accomplish the calculation. These devices had a low operating speed and were eventually superseded by much quicker all-electric computers, originally using vacuum tubes . The Z2 , put together by German engineer Konrad Zuse in 1939, was one on the earliest examples of an electromechanical relay computer. [22]
With 1941, Zuse followed his earlier machine up with the Z3 , this world's first working electromechanical programmable , fully automatic a digital computer. [23] [24] The Z3 was built with 2000 relays , implementing a 22 bit word length that operated for a clock frequency of about 5-10 Hz . [25] Program code was supplied on punched film while data may very well be stored in 64 words of memory or supplied from this keyboard. It was quite similar to modern machines in many respects, pioneering numerous advances such as floating point numbers . Replacement on the hard-to-implement decimal system (used in Charles Babbage 's earlier design) because of the simpler binary system meant that Zuse's machines were much better to build and potentially more reliable, given the technologies available during that time. The Z3 was Turing complete .
Early digital computers were electromechanical; electric switches drove mechanical relays to accomplish the calculation. These devices had a low operating speed and were eventually superseded by much quicker all-electric computers, originally using vacuum tubes . The Z2 , put together by German engineer Konrad Zuse in 1939, was one on the earliest examples of an electromechanical relay computer. [22]
With 1941, Zuse followed his earlier machine up with the Z3 , this world's first working electromechanical programmable , fully automatic a digital computer. [23] [24] The Z3 was built with 2000 relays , implementing a 22 bit word length that operated for a clock frequency of about 5-10 Hz . [25] Program code was supplied on punched film while data may very well be stored in 64 words of memory or supplied from this keyboard. It was quite similar to modern machines in many respects, pioneering numerous advances such as floating point numbers . Replacement on the hard-to-implement decimal system (used in Charles Babbage 's earlier design) because of the simpler binary system meant that Zuse's machines were much better to build and potentially more reliable, given the technologies available during that time. The Z3 was Turing complete .
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