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#58
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Most kivesézem 1971 -et
NAME ABACUS......... Educational Computer
MANUFACTURER........ Feedback
TYPE................ Professional Computer
ORIGIN .............. United Kingdom
YEAR ................ 1971
BUILT IN LANGUAGE .... None
KEYBOARD ............ 36 Input keys and 4 Function keys
CPU ................. Circuit module
SPEED ............... 250 Hz. (4 ms per instruction except Multiply & Divide
COPROCESSOR ......... None
RAM ................. 1 KB of ferrite core storage organised as 512 off 2-byte (16 bit)
ROM ................. No ROM
TEXT MODES ......... Hard copy and punched paper tape output via ASR33 Teletype
SOUND............... No sound
SIZE / WEIGHT ....... 78.7 (H) x 50.8 (W) x 29.2 (D) cm. / 22.4 Kg
I/O PORTS ........... Teletype connector
BUILT IN MEDIA ....... Non volatile memory
POWER SUPPLY ........ Built-in power supply unit
PRICE ............... £1800.