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Who invented the apple computers?

Updated: 8/16/2019
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Steve Jobs and Steve Wozniak developed the Apple computer.

Steve Wozniak, who then worked at HP, designed the "Apple", the first personal computer. Steve Jobs, eventually the CEO of Apple, had the idea of selling the Apple.

Before Steve Wozniak co-founded Apple, he was an electronics hacker. Steve Jobs and Steve Wozniak were known as outcasts while they were in high school. As a kid Stephen Wozniak would become so engrossed in mathematical ponderings his mother would have to shake him to bring him back to reality. By 1975, he was working at Hewlett-Packard and helping his friend Steve Jobs design video games for Atari. Wozniak had been buying computer time on a variety of minicomputers hosted by Call Computer, a time-sharing firm run by Alex Kamradt. The computer terminals available at that time were primarily paper-based; thermal printers like the Texas Instruments Silent 700 were state of the art. Wozniak had seen a 1975 issue of Popular Electronics magazine on how to build your own computer terminal. Using off-the-shelf parts, Wozniak designed the Computer Conversor, a 24-line by 40-column, uppercase-only video teletype that he could use to log on to the minicomputers at Call Computer. Alex Kamradt commissioned the design and sold a small number of them through his firm.

Aside from their interest in up-to-date technology, the impetus for "the two Steves" seems to have had another source. In his essay From Satori to Silicon Valley (published 1986), cultural historian Theodore Roszak made the point that the Apple Computer emerged from within the West Coast counterculture and the need to produce print-outs, letter labels, and databases. Roszak offers a bit of background on the development of the two Steves' prototype models.

On June 12, 2005 at Stanford University's 2005 Commencement Address Jobs said, "When I was young, there was an amazing publication called The Whole Earth Catalog, which was one of the bibles of my generation. It was created by a fellow named Stewart Brand not far from here in Menlo Park, and he brought it to life with his poetic touch. This was in the late 1960s, before personal computers and desktop publishing, so it was all made with typewriters, scissors, and polaroid cameras. It was sort of like Google in paperback form, 35 years before Google came along: it was idealistic, and overflowing with neat tools and great notions."

In 1975, Wozniak started attending meetings of the Homebrew Computer Club. New microcomputers such as the Altair 8800 and the IMSAI inspired him to build a microprocessor into his video teletype and have a complete computer.

At the time the only microcomputer CPUs generally available were the US$179 Intel 8080, and the US$170 Motorola 6800. Wozniak preferred the 6800, but both were out of his price range. So he watched, and learned, and designed computers on paper, waiting for the day he could afford a CPU.

When MOS Technology released its US$20 6502 chip in 1976, Wozniak wrote a version of BASIC for it, then began to design a computer for it to run on. The 6502 was designed by the same people who designed the 6800, as many in Silicon Valley left employers to form their own companies. Wozniak's earlier 6800 paper-computer needed only minor changes to run on the new chip.

Wozniak completed the machine and took it to Homebrew Computer Club meetings to show it off. At the meeting, Wozniak met his old friend Jobs, who was interested in the commercial potential of the small hobby machines.

Apple I

The very first Apple Computer logo, drawn by Ronald Wayne, depicts Isaac newton under an apple tree. The Apple logo in 1976 created by Rob Janoff with the rainbow color theme used until 1998.

Steve Jobs and Steve Wozniak had been friends for some time, having met in 1971, when their mutual friend, Bill Fernandez, introduced 21-year-old Wozniak to 16-year-old Jobs. Jobs managed to interest Wozniak in assembling a machine and selling it.

Jobs approached a local computer store, The Byte Shop, who said they would be interested in the machine, but only if it came fully assembled. The owner, Paul Terrell, went further, saying he would order 50 of the machines and pay US$500 each on delivery. Jobs then took the purchase order that he had been given from the Byte Shop to Cramer Electronics, a national electronic parts distributor, and ordered the components he needed to assemble the Apple I Computer. The local credit manager asked Jobs how he was going to pay for the parts and he replied, "I have this purchase order from the Byte Shop chain of computer stores for 50 of my computers and the payment terms are COD. If you give me the parts on a net 30 day terms I can build and deliver the computers in that time frame, collect my money from Terrell at the Byte Shop and pay you."

With that, the credit manager called Paul Terrell who was attending an IEEE computer conference at Asilomar in Pacific Grove and verified the validity of the purchase order. Amazed at the tenacity of Jobs, Terrell assured the credit manager if the computers showed up in his stores Jobs would be paid and would have more than enough money to pay for the parts order. The two Steves and their small crew spent day and night building and testing the computers and delivered to Terrell on time to pay his suppliers and have a tidy profit left over for their celebration and next order. Steve Jobs had found a way to finance his soon-to-be multimillion-dollar company without giving away one share of stock or ownership.

The machine had only a few notable features. One was the use of a TV as the display system, whereas many machines had no display at all. This was not like the displays of later machines, however; text was displayed at a terribly slow 60 characters per second. However, this was still faster than the teletypes used on contemporary machines of that era. The Apple I also included bootstrap code on ROM, which made it easier to start up. Finally, at the insistence of Paul Terrell, Wozniak also designed a cassette interface for loading and saving programs, at the then-rapid pace of 1200 bit/s. Although the machine was fairly simple, it was nevertheless a masterpiece of design, using far fewer parts than anything in its class, and quickly earning Wozniak a reputation as a master designer.

Joined by another friend, Ronald Wayne, the three started to build the machines. Using a variety of methods, including borrowing space from friends and family, selling various prized items (like calculators and a VW bus) and scrounging, Jobs managed to secure the parts needed while Wozniak and Wayne assembled them. But the owner of the byte shop was expecting complete computers, not just printed circuit boards. The boards still being a product for the customers Terrell still paid them. Eventually 200 of the Apple I's were built.

The Apple II

But Wozniak had already moved on from the Apple I. Many of the design features of the I were due to the limited amount of money they had to construct the prototype, but with the income from the sales he was able to start construction of a greatly improved machine, the Apple II; it was presented to the public at the first West Coast Computer Faire on April 16 and April 17, 1977. On the first day of exhibition, Jobs introduced Apple II to a Japanese textile technician named Mizushima Satoshi who became the first authorized Apple dealer in Japan.

The main difference internally was a completely redesigned TV interface, which held the display in memory. Now not only useful for simple text display, the Apple II included graphics, and, eventually, color. Jobs meanwhile pressed for a much improved case and keyboard, with the idea that the machine should be complete and ready to run out of the box. This was almost the case for the Apple I machines sold to The Byte Shop, but one still needed to plug various parts together and type in the code to run BASIC.

Building such a machine was going to cost a lot more money. Jobs started looking for cash, but Wayne was somewhat gun shy due to a failed venture four years earlier, and eventually dropped out of the company. Banks were reluctant to lend Jobs money; the idea of a computer for ordinary people seemed absurd at the time. Jobs eventually met "Mike" Markkula who co-signed a bank loan for US$250,000, and the three formed Apple Computer on April 1, 1976. Why Apple? At the time, the company to beat was Atari, and Apple Computer came before Atari alphabetically and thus also in the phone book.

With both cash and a new case design in hand thanks to designer Jerry Manock, the Apple II was released in 1977 and became the computer generally credited with creating the home computer market. Millions were sold well into the 1980s. A number of different models of the Apple II series were built, including the Apple IIe and Apple IIGS, which could still be found in many schools as late as 2005.

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