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Computers made by

Texas Instruments



in the '80s
 

TI 99/4A
 

 

 

ORIGIN
USA 
DATE
Spring 1979
BUILT IN LANGUAGE
T.I. BASIC
KEYBOARD
Full-stroke QWERTY keyboard, 
CPU
TI TMS 9900
SPEED
3.3  MHz 
RAM
16K VRAM + 256bytes (in CPU) 
expandable up to 52K 
ROM
26 KB (18K GROM + 8K ROM)
TEXT MODES
32 x 24 (16 colors) 
40 x 24 (2 colors) 
GRAPHIC MODES
48 x 64 (16 colors) 
256 x 192 (16 colors) 
COLORS
16
SOUND
3 channels +1 noise
SIZE / WEIGHT
38 x 26 x 6 cm / 2,2 Kgr
I/O PORTS
RGB video out, 
Cassette,  2x Joysticks
Cartridge Slot, Expansion Port
POWER SUPPLY
16V DC, 8V DC
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