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The Apple /// was designed to be a business machine. It was partly compatible with the Apple II (thanks to a few options in the operating system). It used a powerful memory management system and worked under SOS (Sophisticated Operating System) which was a great, device -independent, operating system. This OS was the "ancestor" of ProDOS (the "professional" Apple operating system) and some parts of this system were used later in the Lisa and Macintosh OSs.

Despite its unique features, the Apple /// had a lot of technical problems, namely, the horrible case design. It caused the internal temperature to get so hot that the motherboard would warp and some of the socketed chips would become unseated. To remedy this, Apple told people to literally pick up the computer several centimeters off the desk and drop it! It was a miserable flop in the marketplace.

The Apple /// was followed in december 1983 by the Apple /// plus which had an Apple IIe style keyboard and a new video interface. Four months later, it was discontinued.

Special thanks to Georgia and Stan Miller who donated us this computer !

TYPE  Professional Computer
YEAR  May 1980
KEYBOARD  Full stroke 74-key with numeric keypad
CPU  MOS 6502A
RAM  128 KB (up to 512 KB)
ROM  16 KB
TEXT MODES  40 or 80 chars x 24 lines
GRAPHIC MODES  40 x 40-48 (16 col), 280 x 160-192 (6 col), 560 x 160-192 (2 col)
COLORS  16 maximum
SOUND  one channel 7 octaves
SIZE / WEIGHT  44.4 (W) x 46.2 (D) x 12.2 (H) cm
I/O PORTS  Monitor, Internal Slots (4), RS-232, Floppy disk port
BUILT IN MEDIA  One built in 140 KB 5.25'' disk-drive
POWER SUPPLY  Built-in power supply unit
PERIPHERALS  4 expansion slots,5 MB Profile hard disk unit, dual floppy disc unit, coulour video card, provision for extra memory
PRICE  £1995 (U.K., 1983)

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3D Cubes
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Ready prompt
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Spiral program
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