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Glossary
system disk — A diskette that contains the operating system files needed
to start the computer. Any diskette can be formatted as a system
disk. A system disk is also called a "bootable disk" or a "startup
disk." Compare non-system disk.
system prompt — The symbol (in the MS-DOS
generally a drive letter followed by a "greater than" sign) indicating
where users are to enter commands.
T
Toshiba tablet pen — The writing instrument used with the tablet. It is
stored on the right side of the computer.
TFT display — See active-matrix display.
U
universal serial bus (USB) — USB is a serial bus that supports a data
transfer rate of up to 480 Mbps (480 million bits per second). USB
can connect up to 127 peripheral devices through a single all-
purpose USB port. USB allows hot swapping of peripherals. See
also bus, hot swapping, serial.
upload — To send a file to another computer through a modem or
network. See also download.
— See universal serial bus (USB).
USB
utility — A computer program designed to perform a narrowly focused
operation or solve a specific problem. Utilities are often related to
computer system management.
V W
Web — See World Wide Web.
Wi-Fi — A trademarked term by the Wireless Capability Ethernet
Alliance which stands for Wireless Fidelity, and is another term for
the communication protocol to permit an Ethernet connection using
wireless communication components.
World Wide Web (www) — The worldwide network of Web sites
linked together over the Internet. A user of the Web can jump from
site to site regardless of the location of the computer hosting the site.
See also Internet.
®
operating system,
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