File:Olympia CD700 Desktop Calculator. 1971.Microprogrammable Arithmetic Processor System Devices (MAPS).jpg
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Size of this preview: 799 × 357 pixels. Other resolutions: 320 × 143 pixels | 640 × 286 pixels | 1,024 × 458 pixels | 1,280 × 572 pixels | 4,140 × 1,850 pixels.
Original file (4,140 × 1,850 pixels, file size: 3.63 MB, MIME type: image/jpeg)
Summary
| Description |
English: Olympia CD700 Desktop Calculator is built with the microprocessor MM5700 from National Semiconductor.
The National MAPS (Microprogrammable Arithmetic Processor System) or National MM570X was a bit-serial 4-bit microcontroller system made of 5 discrete chips designed by National Semiconductor. |
| Date | |
| Source | Own work |
| Author | Mister rf |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:04, 29 January 2016 | | 4,140 × 1,850 (3.63 MB) | wikimediacommons>Mister rf | User created page with UploadWizard |
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