Toshiba Portege M100 User Guide - Page 250

250 Glossary logical drive - A section of a disk that is recognized by the operating system as a separate disk drive. A system's logical drives may differ from its physical drives. For example, a single hard disk drive may be partitioned into two or more logical drives. M megabyte (MB) - A unit of data equal to 1,048,576 bytes (1024 x 1024 bytes). See also bytes. memory - Typically refers to the computer's main memory, where programs are run and data is temporarily stored and processed. Memory can be volatile and hold data temporarily, such as RAM, or it can be nonvolatile and hold data permanently, such as ROM. A computer's main memory is RAM. See RAM, ROM. microprocessor - See central processing unit (CPU). MIDI (Musical Instrument Digital Interface) - A standard for connecting musical instruments, synthesizers, and computers. The MIDI standard provides a way of translating music into a form computers can use, and vice versa. modem - Short for "modulator/demodulator." A device that converts information from digital to analog and back to digital, enabling information to pass back and forth between digital computers and analog telephone lines. motherboard - The main circuit board in the computer. It contains the processor, memory, and other primary components. MS-DOS prompt - See system prompt. multimedia - A combination of two or more media, such as sound, animation, and video in a computer program or presentation. Musical Instrument Digital Interface - See MIDI. N network - A collection of computers and associated devices that are connected by communications facilities. A network allows you to share data and peripheral devices, such as printers, with other users and to exchange electronic mail. non-interlaced - A method of refreshing a computer screen, in which each pixel of every line is refreshed as the electron beam scans across and down the screen. Compare interlaced.