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'''Intercom''' was an early 1960s programming system used in computing environments like the [[Bendix G-15]]; this is not to be confused with SCOPE/INTERCOM of [[Control Data]]. It featured two versions:
'''Intercom''' was an early 1960s programming system used in computing environments like the [[Bendix G-15]]; this is not to be confused with SCOPE/INTERCOM of [[Control Data]]. It featured two versions:


* ''Intercom 500'' – an easy-to-use, self-contained system requiring no specialized knowledge, provided facilities for computer control, program preparation, input, output, and program checkout.
* ''Intercom 500'' – an easy-to-use, self-contained system requiring no specialized knowledge; provided facilities for computer control, program preparation, input, output, and program checkout.
* ''Intercom 1000'' – similar to Intercom 500, with support for single-precision and double-precision operations, and program control, I/O, and program check-out functions.<ref>{{Cite web |title=NUMERICAL CONTROL ON THE BENDIX G-15D AT NORTHROP AIRCRAFT |url=https://www.uraone.com/computers/bendixnc/#sec07 |access-date=2025-08-24 |website=www.uraone.com}}</ref>
* ''Intercom 1000'' – similar to Intercom 500, with support for single-precision and double-precision operations, and program control, I/O, and program check-out functions.<ref>{{Cite web |title=NUMERICAL CONTROL ON THE BENDIX G-15D AT NORTHROP AIRCRAFT |url=https://www.uraone.com/computers/bendixnc/#sec07 |access-date=2025-08-24 |website=www.uraone.com}}</ref>



Latest revision as of 05:15, 23 August 2026

Intercom was an early 1960s programming system used in computing environments like the Bendix G-15; this is not to be confused with SCOPE/INTERCOM of Control Data. It featured two versions:

  • Intercom 500 – an easy-to-use, self-contained system requiring no specialized knowledge; provided facilities for computer control, program preparation, input, output, and program checkout.
  • Intercom 1000 – similar to Intercom 500, with support for single-precision and double-precision operations, and program control, I/O, and program check-out functions.[1]

Interface and Command Structure

Intercom internally used binary representation for commands and data, but all user interactions were performed using sexadecimal (base-16) notation. A rich set of terminal command statements is described in the Intercom Version 5 Reference Manual and accompanying Command Summary.

References

  1. "NUMERICAL CONTROL ON THE BENDIX G-15D AT NORTHROP AIRCRAFT". www.uraone.com. Retrieved 2025-08-24.
  • INTERCOM 500 programming system manual (APG-06611) — BitSavers.
  • Bendix G-15 Technical Bulletin — BitSavers.
  • INTERCOM Command Summary; INTERCOM Version 5 Reference Manual — BitSavers.
  • Technical Applications Memos: sexadecimal notation use — BitSavers.



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