Sony CD R

A computer monitor is an output device that displays information in pictorial form. A monitor usually comprises the visual display, circuitry, casing, and power supply.

An ink cartridge or inkjet cartridge is a component of an inkjet printer that contains the ink that is deposited onto paper during printing. Each ink cartridge contains one or more ink reservoirs; certain producers also add electronic contacts and a chip that communicates with the printer.

A motherboard is the main printed circuit board found in general purpose computers and other expandable systems. It holds, and allows, communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.

An MP3 player is an electronic device that can play MP3 digital audio files. It is a type of digital audio player, or portable media player.