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Volatile here means that information in RAM is lost when you turn off your computer. This type of memory is used for your computer’s main memory. See also memory. Compare ROM. Glossary Glossary Random Access Memory—See RAM. Read-Only Memory—See ROM. reboot—See boot, restart. removable disk—A disk that can be removed from a disk drive. A Flash drive is one example of a removable disk. resolution—A measure of the sharpness of the images that can be produced by a printer or displayed on a screen. For a printer, resolution is expressed in dots per inch (dpi). For a screen, it is expressed as the number of pixels available horizontally and vertically. restart—Synonymous with reboot. To reset the computer by reloading the operating system without turning the computer off. See also boot. RGB (Red, Green, Blue) monitor—A monitor that reproduces all colors by mixing red, green, and blue light in various combinations. RJ11 connector—A modular connector used on most U.S. telephone systems and direct-connect modems. The RJ11 connector is a 6-wire connector. RJ45 connector—An eight-wire connector used to connect a computer to a network. ROM (Read-Only Memory)—Non-volatile memory that can be read but not written to. Non-volatile here means that information in ROM remains whether or not the computer is receiving power. This type of memory is used to store your computer’s BIOS, which is essential instructions the computer reads when you start it up. See also BIOS, memory. Compare RAM. S Secure Digital (SD)—A small, portable, non-volatile memory card used to store and transfer data between digital products, providing encryption capability for content security. select—To highlight or otherwise specify text, data, or graphics with the intent to perform some operation on it. serial—Processes that occur one at a time. In communications, it means the transmission of one bit at a time sequentially over a single channel. On your computer, the serial port provides a serial interface between the computer and an appropriate device. Compare parallel. Glossary Glossary shortcut—See keyboard shortcut. Sleep—A feature of some Windows® operating systems that allows you to turn off the computer without exiting your open applications and to continue from where you left off when you turn the computer on again. software—See program. Compare hardware. solid state drive —A data storage device that utilizes solid-state memory as opposed to a hard disk (see also hard disk). Solid state drives hold a large amount of information and are used for storage of programs and data. Suspend—A feature of some Windows® operating systems that allows you to turn off the computer without exiting your open applications and to continue from where you left off when you turn the computer on again. system prompt—The symbol (in the MS-DOS® operating system, generally a drive letter followed by a “greater than” sign) indicating where users are to enter comm...

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