This process must be done to any blank unformatted disk before use. LAN's typically have greater bandwidth than wide-area networks. A hertz is a measure of frequency. Often abbreviated Mhz. Data in memory is lost whenever the computer is shut off.
Memory is measured in megabytes.
A device that connects one computer with another computer over a communications link, usually phone lines. Modems are used for transmitting and receiving data. Users often access a multi-user computer with terminals or microcomputers acting as terminals. This category of computer includes minicomp uters, superminis, mainframes and supercomputers.