File:Intel 4004 on Busicom calculator circuit board.jpg
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Summary
| Description |
English: Intel 4004 cpu and associated chips on the circuit board from a Busicom calculator. This also shows the 4001, 256-byte 4-bit ROM; the 4002, DRAM with four 20-nibble registers; the 4003, I/O with a 10-bit static shift register with serial and parallel outputs. The board is from a National Cash Register NCR 18-36 calculator, an OEM version of the Busicom 141-PF. |
| Date | |
| Source | Own work |
| Author | MaltaGC |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:34, 25 March 2023 | | 1,636 × 1,420 (1.69 MB) | MaltaGC | Uploaded own work with UploadWizard |
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