personal computers systems unit (pc case and pc internal components), crt monitor, lcd monitor, operating system, application software, printers, faxes, scanners, all-in-one printer/fax/scanner/copier, keyboard, mouse, game controllers, analog speaker systems, digital speaker systems, battery backup/uninteruptible power supply, surge suppressors, wireless router, wireless adapter, wireless access pint, video conference digital camera, and other personal computer accessories and peripherals