Computer Buff’s GUIDE computer system computer CPU (Central Processing Unit) joystick mouse keyboard key laptop computer screen mouse pad monitor CD/DVD drive / hard drive floppy disk motherboard CD (compact disc) sound card scanner printer paper floppy disk drive video card printer webcam loudspeakers modem headphones power supply power strip mic pen drive/USB drive USB Cable user Match letters and technical data Monitor J Keyboard A E B Loudspeaker C C I K K Central Processing Unit G G D F L L Cord Screen H H Mouse CD/DVD drive Plug Floppy disk drive Switch Key