Toshiba Tecra 8000 Tecra 8000 Users Guide - Page 281

257 Glossary system prompt: 1) Text indicating that the operating system is ready for you to enter a command. You can enter an operating-system command or start a program from a system prompt. With some programs, you can access the system prompt and start another program without exiting the first one. 2) Synonym for the MS-DOS prompt. T terminate-and-stay-resident (TSR): A type of program, also called memory resident, that stays in memory even when you aren't using it. U universal serial bus (USB): A peripheral expansion standard that supports a data transfer rate of up to 12 Mbps for peripherals such as keyboards, pointing devices and monitors. USB peripherals have a single standard for cabling and connectors. USB allows hot swapping of peripherals. upload: To send a file to another computer through a modem. See also download. upper memory area (UMA): The area of memory between 640 KB and 1 MB. This area, used mostly for video memory and other system functions, also contains small blocks of memory (upper memory blocks) that the computer can use for device drivers and other memory resident programs. upper memory block (UMB): Continuous regions of the upper memory area into which the computer may load programs and device drivers. utility: A computer program that lets you modify how certain aspects of your computer function. Utilities differ from applications because you don't use them to do real work-they just make your life easier. Different utilities manage your fonts, compress files and check for viruses. MaxTime and Hardware Setup are examples of utilities. V volatile memory: Random Access Memory (RAM) that stores information while it is connected to a power source. If the battery discharges, the information will be lost. W warm boot: Restarting the computer without turning it off. See also boot, restart. Part III: Appendixes