Manufacturer: Commodore Business Machines Released: 1980 Units sold: 2.5 million OS: Commodore KERNAL / Commodore BASIC 2.0 CPU: MOS 6502 @ 1.108 MHz (PAL) / 1.02 MHz (NTSC) RAM: 5 KB (expandable to 32 KB) ROM: 20 KB Graphics: MOS Technology VIC Resolution: 176×184 pixels, 16 colors Sound: 3 x pulse wave generators + white noise