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ROYAL: RC121K (version-2)
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AKA (Label): MODEL RC 121K, Product number (P/N): RC121K (RC 121K),
Keywords/Tags: RC121K (RC 121K)
Date of intro: ~1973, Origin: Japan (List),
Display: Type = Display (VFD) (List), Digits = 12+1,
Number of keys: 21, #Key-Black: 10, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x06, Keyboard Layout: [7] [8] [9] [x] [RV] - [-(Circled)] [K] [4] [5] [6] [(Division)] - [C] [%] [1] [2] [3] [+=] [-=] - [CE] [0] [.],
Classification: / Desktop with Display,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: ROYAL_docu: (Broch.) RC121K,
Main Components: (Unknown manufacturer): 12K, version-1; (Unknown manufacturer): 12K, version-2,
Resemblance with: (Resemblance 516_4_7_21),
Serie-members: ROYAL: RC121K (version-1) (Gas Disharge Diaply); ROYAL: RC121K (version-2) (VFD Display),
Known Serial-numbers: 306202 (3 06202) (List of all S/Ns from ROYAL)
Collector value: 7.5/10,
Internet: Link-1: SCHLEPPTOPS Rechnerwiki

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Created: 12-jul-2018, Manual-update: 05-aug-2021, Batch-update: 26-nov-2022             

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