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Apple I Microcomputer

National Museum of American History

Object Details

co-founder of Apple Inc.
Jobs, Steve
Wozniak, Steve
Apple Computer, Inc.
Description
In 1975, Steve Wozniak designed the Apple I as his personal computer to use the ARPANET and play games. Its enthusiastic reception among the members of Silicon Valley’s Homebrew Computer Club prompted Wozniak and Steve Jobs to form Apple Computers to manufacture the Apple I. Wozniak designed the Apple I around two principles; making the machine affordable by minimizing the number of chips; and the ability to output video to a TV screen most users already owned. With the incorporation of the microprocessor and dynamic RAM, the Apple I proved how small, simple, and cheap a usable computer could be.
The computer sold as a single board for $666.66 since Wozniak liked repeating digits. To complete the setup the board required a video display monitor, an ASCII encoded keyboard, and an AC connected power unit supplying 8 volts at 3 amps and 28 volts at 1 amp. Aside from the 6502 microprocessor running at 1.023 MHz, the Apple included four kilobytes of memory (enough to run BASIC), expandable to 8KB on board, or 64KB using expansion cards. A cassette interface was also available for the expansion slot, allowing for data storage and programming, such as easily loading the BASIC interpreter without having to program it in by hand.
The Apple I heralded a shift in personal computing. In the years prior, most computers were sold as kits, or assembled at a premium by the manufacturer. The purchase of a board that was completely tested and in working order led to “hassle-free” computing, helping spur personal computing towards a more mainstream consumer market. In 1977, the Commodore PET, TRS-80, and Apple II were released as assembled PCs, and hardware and software companies surged into a newly created market.
Apple Computers gave owners the option to trade in their Apple I for an Apple II, mainly to free Wozniak from his customer services duties as the only designer of the computer. With about only 200 made, and many removed from circulation due to the returns, Apple I’s have become a valuable collector’s item.
Credit Line
Acquired in part through a generous donation from Malon D. Mimms, Jr. as well as gifts from Paul Neely, Steven Fink, and Dorothy Lemelson
1976
ID Number
2015.0001.01
catalog number
2015.0001.01
accession number
2015.0001
Object Name
microcomputer
Physical Description
plastic (board; components material)
metal (circuitry; screws material)
wood (base material)
Measurements
overall: 6.6 cm x 40.7 cm x 24 cm; 2 19/32 in x 16 1/32 in x 9 7/16 in
place made
United States: California, Palo Alto
See more items in
Medicine and Science: Computers
Computers & Business Machines
Exhibition
Inventing In America
Exhibition Location
National Museum of American History
National Museum of American History
Record ID
nmah_1692121
Metadata Usage (text)
CC0
GUID (Link to Original Record)
https://n2t.net/ark:/65665/ng49ca746b2-147f-704b-e053-15f76fa0b4fa

Related Content

  • 1970s: A Decade in the Collections

  • Explore America: California

Apple I Microcomputer with Keyboard, Power Supply, and Monitor
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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