2× CIA 6526 (joystick, GPIO/RS-232/keyboard) Power (+5V DC & 9V AC) ROM cartridge Video/audio (RF/A/V) Serial IEEE 488 bus (floppy disk/printer) Digital tape The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, January 7–10, 1982, in Las Vegas).[4] It has been listed in the Guinness W