Glossary-12 User’s ManualGlossaryport: The electrical connection through which the computer sends andreceives data to and from devices or other computers.Power Saver: A TOSHIBA utility that lets you set the parameters forvarious power-saving functions.program: A set of instructions a computer can execute that enables it toachieve a desired result. See also application.prompt: A message the computer provides indicating it is ready for orrequires information or an action from you.RRadio frequency interference (RFI) shield: A metal shield enclosing theprinted circuit boards of the printer or computer to prevent radio andTV interference. All computer equipment generates radio frequencysignals. The FCC regulates the amount of signals a computingdevice can allow past its shielding. A Class A device is sufficient foroffice use. Class B provides a more stringent classification for homeequipment use. TOSHIBA portable computers comply with Class Bcomputing device regulations.Random Access Memory (RAM): Volatile memory that can be written toas well as read. Volatile here means that information in RAM is lostwhen you turn off your computer. This type of memory is used foryour computer's main memory. See also memory. Compare ROM.resolution: A measure of the sharpness of the images that can beproduced by a printer or displayed on a screen. For a printer,resolution is expressed in dots per inch (dpi). For a screen, it isexpressed as the number of pixels available horizontally andverticallyrestart: Resetting a computer without turning it off (also called "warm boot","soft reset" or "reboot"). See also boot.RGB: Red, green, and blue. A device that uses three input signals, eachactivating an electron gun for a primary additive color (red, green,and blue) or port for using such a device. See also CRT.RJ45: A modular LAN jack.Read Only Memory (ROM): Non-volatile memory that can be read but notwritten to. Non-volatile here means that information in ROM remainswhether or not the computer is receiving power. This type ofmemory is used to store your computer's BIOS, which is essentialinstructions the computer reads when you start it up. See alsoBIOS, memory. Compare RAM.