I have three main units.
type computer
country UK
year 1983
os Oric Extended Basic v 1.0
cpu 6502A
speed 1 MHz
ram 16 or 48 KB
rom 16 KB
graphic 240 x 200
colors 8
sound 3 voices, 8 octaves
ports expansion port, RF, printer, RGB, tape
power 9V DC 900mA positive polarity