Glossary
program: A set of instructions a computer can execute that enables it to achieve a desired result. See also application.
prompt: A message the computer provides indicating it is ready for or requires information or an action from you.
R
Radio frequency interference (RFI) shield: A metal shield enclosing the printed circuit boards of the printer or computer to prevent radio and TV interference. All computer equipment generates radio frequency signals. The FCC regulates the amount of signals a computing device can allow past its shielding. A Class A device is sufficient for office use. Class B provides a more stringent classification for home equipment use. TOSHIBA portable computers comply with Class B computing device regulations.
Random Access Memory (RAM): Volatile memory that can be written to as well as read. 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.
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: 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, each activating 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):
S
S/P DIF: A standard of digital interface for audio.
SCSI: Small Computer System Interface is an industry standard interface for connection of a variety of peripheral devices.
SD/SDHC Card: Secure Digital cards are flash memory widely used in a variety of digital devices such as digital cameras and Personal Digital Assistants.
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