254
Glossary
T
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
.
USB
— See
universal serial bus (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.
W
Web
— See
World Wide Web
.
Wi-Fi
®
— A registered trademark term of the Wi-Fi Alliance that 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.