Toshiba L640 Random Access Memory See RAM Read-Only Memory See ROM, Reboot See boot, restart

218 Glossary

S

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-volatilehere 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.

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.