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Topic: Z3 Computer

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Konrad Zuse

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	Computer History Museum - Timeline of Computer History
		The original Z3 was destroyed in a bombing raid of Berlin in late 1943.
		The SEAC was the first computer to use all-diode logic, a technology more reliable than vacuum tubes, and the first stored-program computer completed in the United States.
		The first personal computer with a graphical user interface, its development was central in the move to such systems for personal computers.
	www.computerhistory.org /timeline/?category=cmptr (4424 words)

	Konrad Zuse's Z2 and Z3 Computers
		He wanted to use the Z3 to demonstrate that it was possible to build a reliable, freely programmable computer based on a binary floating point number and switching system, which could be used for very complicated arithmetic calculations.
		Konrad Zuse rebuilt the Z3 at his Zuse KG company between 1960 and 1961 (Fig.25) in order to demonstrate the performance of this machine to justify his patents and to show the world his creation (and also to demonstrate the machine for advertising purposes).
		Konrad Zuse with the rebuilt Z3 in 1961.
	www.epemag.com /zuse/part4a.htm (762 words)

	The Life and Contributions of Konrad Zuse
		His work on the Z3 (1944), the first tape stored program controlled computer, is considered to be the first automatic digital computer as later it was found that it predated the Harvard Mark I (1944) by 3 years.Although Zuse has a degree in civil engineering, he was years ahead of his time.
		Concepts of Computing and the Z1 In 1934, Zuse had an idea for a machine to eliminate the need for tedious calculations by hand which were in abundance for his profession as a civil engineer.
		He wanted to use the Z3 to demonstrate that it was possible to build a reliable, freely programmable computer based on a binary floating point number and switching system, which could be used for very complicated arithmetic calculations.
	www.sinc.sunysb.edu /Stu/emseaman (1597 words)

	Z3 - Wikipedia, the free encyclopedia
		Konrad Zuse's Z3 was the first working programmable, fully automatic machine, whose attributes, with the addition of conditional branching, have often been the ones used as criteria in defining a computer.
		The Z3 was built with 2,000 relays, had a clock frequency of ~5–10 Hz, and a word length of 22 bits.
		The original Z3 was destroyed in 1944 during an Allied bombardment of Berlin.
	en.wikipedia.org /wiki/Z3 (648 words)

	z3 - definition by dict.die.net
		Z3 The third computer designed and built by Konrad Zuse and the first digital computer to successfully run real programs.
		The Z3 was delivered to the Deutsche Versuchsanstalt fur Luftfahrt (German Experimental Department of Aeronautics) in Berlin and was used for deciphering coded messages.
		Of the potential rival claimants to the title of first programmable computer, Babbage (UK, c1840) planned but was not able to build a decimal, programmable machine.
	dict.die.net /z3 (234 words)

	[No title]
		Z3 facilitates a cost-effective method of producing an integrated document for a relatively quick and inexpensive legal review instead of spending the time and money for a fully tailored document.
		The Z3 program is downloaded to the individual's computer; therefore, all social security number information and other private data are kept in the individual's computer and away from the Internet.
		Z3 reminds self-represented individuals to seek the services of a competent family law lawyer and tax planner in complex cases.
	www.wisconsinforms.com /Z3intro.htm (1415 words)

	Zuse's Z3, the World's First Programmable Computer
		Several years before the Colossus in the U.K. and the ENIAC in the U.S., the Z3, built by Konrad Zuse in 1941, was crunching numbers in Germany.
		Based on a binary floating-point number and switching system, it had all the attributes of today's computers, such as a control block, a memory, and a calculator.
		The calculations needed to overcome this design issue were incredibly complex, and it was this problem that the Z3 solved.
	radio.weblogs.com /0105910/2004/06/07.html (517 words)

	Raul Roja's article on Zuse (Site not responding. Last check: 2007-10-14)
		We argue that both the Z1 and the Z3 possessed features akin to those of modern computers: memory and processor were separate units, the processor could handle floating-point numbers and compute the four basic arithmetical operations as well as the square root of a number.
		The Z3 was documented by Zuse in his patent application Z-391 of 1941 which is rather difficult to decipher due to the non-standard notation and terminology [Zuse 41].
		The computation proceeds as usual, but in each cycle the snooping circuit produces the result -64 at the output of the adder of part A. It does not matter what operations are performed with the significands because the exponent of the result is set to -64 and therefore the final result is zero.
	hjs.geol.uib.no /zuse/zusez1z3.htm (8633 words)

	Computer History (Site not responding. Last check: 2007-10-14)
		Computer history is important because if you know where we are coming from you will have a better idea of where we are going.
		The first computers were characterized by the fact that operating instructions were made-to-order for the specific task for which the computer was to be used.
		The stored program concept meant that instructions to run a computer for a specific function (known as a program) were held inside the computer's memory, and could quickly be replaced by a different set of instructions for a different function.
	www.tcarden.com /computers/history.htm (3026 words)

	Kanrad Zuse (Site not responding. Last check: 2007-10-14)
		A copy of this computer is on display in the Museum for Transport and Technology ("Museum fur Verkehr und Technik") (since 1989) in Berlin.
		The Z3 was destroyed in 1944 during the war.
		Its historical importance led to the fabrication of a copy of the Z3 in 1960 which is displayed in the German Museum ("Deutsches Museum") in Munich.
	www.csulb.edu /~cwallis/wallis/computability/zuse.html (288 words)

	Z3-Computer-1939
		Zuse's Z3 COMPUTER, designed and built from 1938 to 1941, was the first automatic, program-controlled, fully functional, general purpose digital computer.
		Konrad Zuse's pioneering work in the development of the computer was not widely known until 1965 when descriptions of his work were translated into English.
		Zuse was unable to obtain government funding for his computer research, however, and the war effectively blocked communications between his work and that being done in other parts of the world.
	www.computermuseum.li /Testpage/Z3-Computer-1939.htm (235 words)

	History
		Considered to be the first computer programmer, Lady Ada documented Babbage's work and wrote instructions for the Analytical Engine.
		Z3: During World War II in 1941, Konrad Zuse built the Z3 computer, the first digital fully operational computer with automatic control of operations.
		ENIAC: The first totally electronic computer, was developed by John Mauchly and J. Presper Eckert at the Moore School of Electrical Engineering of the University of Pennsylvania.
	cs.uhh.hawaii.edu /cs/courses/cs100/history.htm (721 words)

	Dr. Dobb's \| Simulating Konrad Zuse's Computers \| July 22, 2001
		Konrad Zuse was born in Berlin in 1910 and died in December of 1995.
		Figure 3 is a simplified representation of the arithmetical unit of the Z3.
		That's why I prefer to speak not of the "first computer" but of the "first computers" of the world, in plural, referring by this to the American, British, and German machines, which were all built almost simultaneously at the dawn of the computer age.
	www.ddj.com /184404241 (3090 words)

	DIY Calculator :: First Electromechanical Computers
		In the first example of remote computing, Stibitz astounded the attendees by allowing them to pose problems, which were entered on the teleprinter’s keypad; within a short time, the teleprinter presented the answers generated by the computer.
		Unlike the Z1 and Z2, however, the Z3 was constructed completely out of relays (approximately 600 for the arithmetic unit and 1,800 for the memory and control units).
		In those days, computers were typically considered only in the context of scientific calculations and data processing for governments, large industries, research establishments, and educational institutions.
	www.diycalculator.com /popup-h-elecmechcomp.shtml (1846 words)

	Konrad Zuse Summary
		He created the computer in Germany in 1941, but the machine was largely unknown until the 1960s.
		The Z3 featured floating point arithmetic (for varying decimals), was fully operational, and used electric telephone relays (on-off switches) for computing operations.
		Zuse also designed a high-level programming language, the Plankalkül, allegedly in 1945, although this was a theoretical contribution, since the language was never actually implemented within his lifetime and did not directly influence early implemented languages.
	www.bookrags.com /Konrad_Zuse (1583 words)

	Technology History -- Z3 Computer (Site not responding. Last check: 2007-10-14)
		The computer was still largely mechanical, but Zuse was able to get rid of the Babbage's gears by using telephone switching relays.
		This was done in Austria during WWII, and it should have been a benefit to the Nazis, but according to some historians, Americans and British bombers destroyed his early machines.
		Other historians suggest that Hitler dropped the project because he believed that the war was all but won, and he would not need the power of the computer.
	imrl.usu.edu /OSLO/technology_writing/001_006.htm (186 words)

	Konrad Zuse - Wikipedia, the free encyclopedia
		Satisfied with the function of the basic Z2 machine, he built the Z3 and completed it in 1941.
		A request by his co-worker Helmut T. Schreyer (1912-1984) to the war-time government for federal funding for an electronic successor to the Z3 was denied as "strategically unimportant".
		Notable are the Z11, which was sold to the optics industry and to universities, and the Z22, the first computer with a memory based on magnetic storage.
	en.wikipedia.org /wiki/Konrad_Zuse (1216 words)

	Konrad Zuse: The Invention of the Computer
		Many reference resources state that the first large-scale digital program-controlled computer was the Harvard Mark 1, which was developed by Howard H. Aiken (and team) in the United States in 1944.
		Although based on relays, the Z3 was very sophisticated for its time; for example, it utilized the binary number system and could perform floating-point arithmetic which could be used for complicated arithmetic calculations.
		However, modern digital computers are built almost entirely from transistorized versions of these logic gates.
	www.juliantrubin.com /bigten/zusecomputer.html (624 words)

	Konrad Zuse
		The Z3 Today it is undisputed that Konrad Zuse's Z3 was the first fully functional, program controlled (freely programmable) computer of the world.
		The Z3 was presented on May 12, 1941 to an audience of scientists in Berlin.
		Patent of the Z3 Konrad Zuses Patent Z391 for the Machine Z3 from 1941 has been proposed for the UNESCO Program Memory for the World at August 31, 2000.
	irb.cs.tu-berlin.de /~zuse/Konrad_Zuse/en/Rechner_Z3.html (506 words)

	Laptop Computer repairs
		Computer Laptop Repairs Service Center is aligned with many local distributors who stock the popular laptop electronic parts, PCMCIA cables and batteries, increasing our virtual stocking levels and therefore, our ability for same day service.
		Computer Laptop Repairs does "board level" laptop system logic board repairs, and defective or broken component replacement.
		Computer Laptop Repairs Inc. purchases surplus laptops, desktops, phone systems, networking gear, servers, routers, modems, hubs, and all types of communications and information systems from many of the largest companies in the Pacific Northwest, and from private individuals.
	laptop-computer-repairs.com (1865 words)

	Articles -> Types of Computer Software, By John Cage
		No matter what your goals, no matter what you’re trying or want to do with your computer (or what you want your computer to do for you), it’s almost certain that there are a variety of different computer software programs to get your project done.
		One of the most popular software categories of the day is the type that protects your computer from viruses, as just the thought of a virus attacking and impairing your computer from use is enough to make anyone cringe.
		Be sure that the computer software provider of choice has qualified employees that can answer any question or solve any problem that you may encounter.
	www.thefirstpick.com /html/articles/0101-0200/2006101801_0168.html (538 words)

	IEEE Annals of the History of Computing
		From the perspective of an information security researcher and consultant who studied crime for 40 years, this brief history of computer crime delves into study methods and presents findings from many years of National Science Foundation and US Department of Justice grant-supported research and business support at SRI International.
		Computer science originated in the People’s Republic of China in 1956 with the founding of the Chinese Academy of Sciences’ Institute of Computing Technology.
		Histories of Computers: Programming and Software from ALGOL to Windows XP" are useful bibliographies for anyone interested in the history of computing.
	www.computer.org /annals/an2001/a1034abs.htm (307 words)

	computer settings - Bimmerforums - The Ultimate BMW Forum
		First available only with the 1.9 liter engine, the Z3 went on to carry every 6 cylinder produced between 1996 and 2002.
		Being a bit of a “parts bin” car, the Z3 is part E30, part E36, but all original.
		Hold down both buttons on the computer and press the stalk until 5 appears.
	forums.bimmerforums.com /forum/showthread.php?p=8127949 (642 words)

	Logitech Z3 2.1 Review and User Opinions. Speaker Systems Reviews by Digital Trends.
		While the Logitech Z3 speaker system does have its shortcomings, the bottom line is that you will probably be happy with them.
		Logitech has taken a bold step in designing a system that is aesthetically unique from anything else in their product line and from most systems on the market.
		The Logitech Z3 system would be better suited in an office versus a dorm room where they can get scratched up.
	reviews.designtechnica.com /review839.html (299 words)

	5 computer Generations
		modern general purpose computer and was a breakthrough concept.
		The transistor was at work in the computer by 1956.
		The 1980's saw an expansion in computer use in all three arenas as
	www.bv229.k12.ks.us /BVW_Rodina/htdocs/computer_generations.htm (2057 words)

	Jet Chips BMW Z3 Computer Recalabration Kit - Jet Chips Computer Recalabration Kit (Site not responding. Last check: 2007-10-14)
		Haynes BMW Z3 Repair Manual, All Haynes manuals explain how to carry out routine maintenance, restoration and servicing of cars and motorcycles, and are aimed primarily at the Do-it-yourselfer.
		Piaa Lights BMW Z3 Super White 100W Bulb
		Piaa Lights BMW Z3 Xtreme White Bulb Twin Pack
	www.speedyperformanceparts.com /jet-chips_bm_z3_computer-recalabration-kit_z.html (444 words)

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