7 Manufacturer : Commodore Business Machines Year of Release : 1980 Units sold : 2.5 million OS : Commodore KERNAL / Commodore BASIC 2.0 CPU : MOS Technology 6502 @ 1.108 MHz (PAL version) RAM : 5 KB ROM : 20 KB Video : MOS Technology VIC Resolution : 176×184 pixels, 16 colors Sound : 3 x pulse wave generators + white noise