Computer History

The first electronic computer, the Atanasoff Berry Computer, was invented because Doctor John Vincent Atanasoff at the University of Iowa in Ames Iowa had too many large difficult to solve systems of simultaneous equations. The machine was invented one night in a bar in Indiana where Atanasoff had gone to get away and the ideas started coming together. It was built between 1939 and 1942. Atanasoff designed it to solve systems of simultaneous equations of up to 29 variables, because this would handle most of his problems without having to make the machine too big (it came out about the size of an office desk).

It depends what ARM you're talking about. The ARM7 uses the Van Neumann bus architecture (one bus for both data and instructions, and never both at the same time). The ARM9 uses a Harvard bus architecture (separate buses, one each for data and instructions).

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Dell PC's are mostly, if not all made in China

The answer to this question depends of your definition of a computer. The first known counting devices or tools were Tally Sticks from about 35,000 BC. The Abacus was then invented by the Babylonians in 2400 BC. In 1837, Charles Babbage, a British professor of mathematics described his idea for the Analytical Engine, the first stored-program mechanical computer. The Analytical Engine was designed to be powered by a steam engine and was to use Punched Cards, which was used to program mechanical looms at the time. What made the Analytical Engine unique was that it was designed to be programmed. It was because of this and the fact that it would be more than 100 years that any similar devices would be constructed, Charles Babbage, would be considered by many as the "father of computing". Because of legal, financial, and political obstacles, the Analytical Machine would never be completed. Charles Babbage was also difficult to work with and alienated the supporters of his work. In 1939, John V. Atanasoff and Clifford Berry developed the Atanasoff-Berry Computer (ABC) at Iowa State University, which was regarded as the first electronic digital computer. The ABC was built by hand and the design used over 300 Vacuum Tubes and had capacitors fixed in a mechanically rotating drum for memory. The ENIAC (Electronic Numerical Integrator and Computer), constructed in the US in 1943, is widely regarded as the first functionally useful electronic general-purpose computer. Influenced by the ABC, it was a turning point in the history of computing and was used to perform ballistics trajectory calculations and used 160 kW of power. World War II is known to be the driving force of computing hardware development and one of such use of computers was in communications encryption and decryption. The UNIVAC I (Universal Automatic Computer) was the first commercially available, "mass produced" electronic computer manufactured by Remington Rand in the USA and was delivered to the US Census Bureau in June 1951. It used 5,200 vacuum tubes and consumed 125 kW of power. 46 machines were sold at more than $1 million each. The microprocessor eventually led to the development of the microcomputer, small, low-cost computers that individuals and small businesses could afford. By the 1990s, the microcomputer or Personal Computer (PC) became a common household appliance, and became even more widespread with the advent of the Internet. SOURCE: bigsiteofamazingfacts.com

osborn 1 the name of computer its cost is $1795

Well, it depends what your definition of computers are. During World War 2, radar and other resources like that were used. But The "PC" we know today- Originated around the 60's-70's, and the technology really took off in the late 90's due to Bill Gates, Netscape, and all of the internet pioneers who worked countless hours improving the PC and the internet especcially.

The first computer files were invented in 1948 or 1949 at Eekert Machley Computer Company for the UNIVAC computer. The data of these files was the same as had previously been maintained on punched cards for use on electromechanical unit record machines since 1890. However to permit processing the file data at "electronic speeds" it was instead recorded magnetically on nickel plated brass tape.

By upgrading the computer that was made by upgrading the calcutaor.

dmn

your dumb

No difference really, they still take 1's and 0's and make mathematical calculations corresponding to their instruction sets (CPU). What is DONE with that has changed dramatically tho, with every new generation, and that's about the only real difference...well besides the darn size thing.

Any more of an answer would be doing your test for you, and take far more room than this page offers.

1st generation computers used vacuum tubes. This generation spanned roughly 1940s to 1958. Today's generation uses very complicated integrated circuits. It started no earlier than the 1990s. A typical single IC from a modern computer contains several orders of magnitude more components than an entire 1st generation computer occupying an entire room, and runs at speeds unimaginable in the 1st generation.

A laptop a portable computer device that is often folded open and placed on top of one's lap- hence laptop

it depends on how old ur computer is, but it is a good posibility that somebody will laugh at that question if they are smart^_^

Abhinawan Puracchidas was the inventor of first computer speakers.

Mac OS

The National Computer Center of Nepal had an IBM 1401 at least several years before 1978. It was use for many purposes including census and Royal Nepal Airlines. It was certainly the first large computer used there.

Ida know, but there have been many

computers, from tally sticks to a computer that is an Ipod, but the first computer that we know that was first invented was a calculator that fit into a large class room. It was in 1943

April 1st, 1976 Apple released the Apple I (and started Apple computers). They were hand built by Steve Wozniak and first shown in California to Homebrew computer club, so I presume they were built there.

Actually, a method of input was needed fairly soon after the first computer was invented, so the keyboard, I would have to say, would have been invented after the actual computer was invented. The first personal-ish computer used lots of toggle switches to do mathematical calculations, thereafter it was realized that a different method of inputting information to the computer would be needed. Since typewriters were already in very large use, the obvious choice for a similar design would be the typewriter's layout. Typewriters used the QWERTY layout (notice that those are the first six letters on your keyboard), thus the keyboard came into action. It was shortly realized afterwards, (or perhaps at the same time,) that there would need to be a way for that larger amount of information to be displayed, which in came the CRT computer monitor. (Remember that the cathode ray had already been discovered and put to use in TVs by a nuclear physicist more than 40 years ago, so the creation of a computer screen was more or less cut out for them.)

Konrad Zuse designed the Z3 to solve problems in civil engineering, during WW2 it saw some use solving problems in aircraft design before it was destroyed in an allied bombing raid.

The world's first "automatic electronic digital computer" was the Atanasoff-Berry Computer, conceived and built by Atanasoff and Berry during 1937-42, but the invention was "reduced to practice" no later than 1939. The ENIAC invention was later derived from this work, thus invalidating the ENIAC patent, and the British Colossus computer was not invented until 1944.

Some believe incorrectly that the abacus is a "computer", and it was invented a very long time ago. However, others believe that the abacus was no more a "computer" than, say, a dictionary in a book is a spell checker; it is a tool manipulated by humans in a way that results in an answer.

Gateways

Charles Babbage. It was designed as a general purpose programmable computer, mostly to be used to compute tables for navigation and mathematics.