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IBM 7700 Data Acquisition System

Computer by IBM

Summary

Computer by IBM

FieldValue
name7700 Data Acquisition System
successorIBM 1800
relatedIBM 1710
logoFile:IBM Logo 1956 1972.svg
logo_size120px
imageIBM 7700 System Photo.png
image_size270px
captionIBM 7700 Data Acquisition System
manufacturerIBM
release_date1963

It is capable of collecting data from as many as 32 sources simultaneously, process the data and transmit results to up to 16 remote printers, display units or plot boards.

The IBM 7700 was short-lived, being replaced by the IBM 1800 Data Acquisition and Control System on November 30, 1964.

Two IBM 7700 Data Acquisition Systems are known to have existed: one at the University of Rochester and the other at Stanford University. Both were donated by IBM.

The IBM 7700 is an 18-bit system, with instructions occupying two 18-bit words. Arithmetic instructions generally execute in two or three machine cycles, except for multiply, about 8 cycles, and divide, 12 cycles. A machine cycle is two microseconds. Address space is 262,144 words, but the two machines known to have been built had 16,384, 32,768 or 49,152 words.

The IBM 7700 is contemporary with the IBM 7000 series but not considered a member of it.

References

Technical details about the IBM 7700 Data Acquisition System are from an IBM Systems Reference Library publication known as File Number 7700-01, Form A22-0798-1, IBM 7700 Data Acquisition System. The publication carries an internal date of January 10, 1964.

References

  1. [https://web.archive.org/web/20100820215557/http://www-03.ibm.com/ibm/history/exhibits/dpd50/dpd50_chronology2.html IBM history page listing the IBM 7700 and its replacement, the IBM 1800]
  2. [http://www.2live4.com/eric-bio.asp Eric Anderson's autobiography, in which he mentions that he programmed the IBM 7700 at the University of Rochester]
  3. [http://www.2live4.com/resume.htm Eric Anderson's résumé]
  4. "Description of Stanford computers from 1953 to 1980".
  5. [http://www.slac.stanford.edu/cgi-wrap/getdoc/slac-r-730.pdf A paper from the High Energy Physics Lab at Stanford referencing their IBM 7700]
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

ibm-computers 18-bit-computers
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