miből fejlődtek ki a mai gépek?
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#6
Nekem van otthon egy ilyenem.
Sinclair ZX -81, tegnap ki is próbáltam, és elkapott a nosztalgia feeling.
NAME ........ ZX 81
MANUFACTURER Sinclair
TYPE ........Home Computer
ORIGIN ......United Kingdom
YEAR ........ 1981
BUILT IN LANGUAGE Sinclair Basic
KEYBOARD .... Touch-sensitive keyboard, 40 keys
CPU .........Zilog Z80A
SPEED ....... 3.5 MHz
RAM ......... 1 kb (901 bytes available, up to 64 KB)
ROM ......... 8 kb
TEXT MODES .. 32 x 24 (but 2 lines are reserved for system messages and commands)
GRAPHIC MODES 64 x 44
COLORS ...... Black and white
SOUND ....... None
SIZE / WEIGHT .167 x 175 x 40 mm / 350gr
I/O PORTS ... Z80 Bus, tape, video
POWER SUPPLY 9V DC , 600 mA (centre polarity = +ve)
PRICE Kit :..£50 (UK, june 1981) / Ready-built : £70 (UK, june 1981