Operating systemCommodore BASIC 1.0 ~ 4.0CPUMOS Technology 6502 @ 1 MHzMemory4–96 KBStoragecassette tape, 5.25-inch floppy, 8-inch floppy, hard diskDisplay40×25 or 80×25 textGraphicsmonochrome character graphicsSoundnone or beeperSuccessorCommodore VIC-20 Commodore CBM-II