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Mark-8

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Title: Mark-8  
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Subject: Radio-Electronics, History of personal computers, SCELBI, Microcomputer revolution, Radio News
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Mark-8

The July 1974 issue of Radio-Electronics: "Build The Mark-8: Your Personal Minicomputer".

The Mark-8 is a microcomputer design from 1974, based on the Intel 8008 CPU (which was the world's first 8-bit microprocessor). The Mark-8 was designed by graduate student Jonathan Titus and announced as a 'loose kit' in the July 1974 issue of Radio-Electronics magazine.[1]

Contents

  • Project kit 1
  • Influences 2
  • See also 3
  • References 4
  • External links 5

Project kit

The Mark-8 was introduced as a 'build it yourself' project in Radio-Electronics's July 1974 cover article, offering a US$5 booklet containing circuit board layouts and DIY construction project descriptions, with Titus himself arranging for $50 circuit board sets to be made by a New Jersey company for delivery to hobbyists. Prospective Mark-8 builders had to gather the various electronics parts themselves from a number of different sources.[2] A couple of thousand booklets and some hundred circuit board sets were eventually sold.

The Mark-8 was introduced in R-E as "Your Personal Minicomputer". This may be readily understood considering that the microcomputer revolution had yet to happen; the word 'microcomputer' was still far from being common fare. Thus, in their announcement of their computer kit, the editors quite naturally placed the Mark-8 in the same category as the era's other 'minisize' computers.

Influences

Although not very commercially successful, the Mark-8 prompted the editors of Popular Electronics magazine to consider publishing a similar but more easily accessible microcomputer project, and just six months later, in January 1975, they went through with their plans announcing the Altair 8800.[3]

See also

References

  1. ^ Titus, Jonathan (July 1974). "Build the Mark 8 Computer". Radio Electronics 45 (7): pp. 29–33. 
  2. ^ Mark-8 Minicomputer, Bryan's Old Computers, retrieved Feb 11 2009
  3. ^ About Forrest M. Mims III, By writer, editor and publisher Harry L. Helms, retrieved Feb 24 2009

External links

  • Mark-8 Minicomputer – an original Mark-8, restored to working condition
  • A Mark-8 Experience – Terry Ritter's detailed memoir of building and running a Mark-8 in 1974.
  • Der Mark 8 Minicomputer – written by Andreas Reichel, he built his own mark 8 in the year 2005
  • Collection of old analog and digital computers at www.oldcomputermuseum.com
  • Jonathan A. Titus, Microcomputer Pioneer
  • A look at 5 very different MARK-8 computers
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