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v. Chr.
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1935
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1936
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1950
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1955
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1965
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1973
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1975
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1976
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1983
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1984
Electronical calculator
Educational computer LC80(1982)
General
The in the produced in the GDR learning computer LC80 was a single-board computer,which was designed for teaching purposes.
It was programmed by entering hexadecimal machine code via a built-in calculator keyboard. The LC80 was established in 1982 in the “VEB Kombinat Mikroelektronik Erfurt”. Far more important was the home computer series KC85 in the education system of the GDR, which was produced in 1984.
- LC80
- Keyboard: 25keys (16 hexdecimal, 9 functional )
- Display: 6digits with seven-segments-display
- CPU: UB 880
- clock rate: 900 kHz
- 1 kB RAM
- 2 kB ROM
- optional input/output
- interface with magnetic band
- 12 prgrammable I/O-Slots 4 Handshake-wires and 7 CTC-wires
- CPU-BUS (unbuffered)
- working voltage: 8,5...12V AC / 10...13V DC