The higher the number, the quicker the information is processed. MHz relates to how many millions of instructions can be processed per second. This is the circuitry or device that holds information in an electrical or magnetic form. This mechanism connects a computer to a phone line so information can be sent from one computer to another or the user can access an on-line service or the Internet. In view of the popularity of the Internet, a modem is now considered basic equipment and comes on practically all new computers.
Most modems come with fax capabilities.
An output device that allows you to see what you are doing. Most computers come with 14 or 15 inch monitors. This size is good for most people's needs. Larger 17 or 21 inch monitors also are available, but may cost more. The CPU, RAM and cache all plug into the motherboard.