A PC Accessory is a device that can be connected to a personal computer to enhance its functionality. A modem (5 letters) is a device that allows a computer to connect to the internet. A CRT (3 letters) is a type of monitor that uses a cathode ray tube to display images. A webcam (6 letters) is a camera that can be connected to a computer to capture video and audio. A faxmodem (8 letters) is a device that combines a modem and a fax machine, allowing a computer to send and receive faxes.