190 Glossary
system prompt—The symbol (in the MS-DOS® operating
system, generally a drive letter followed by a “greater than”
sign) indicating where users are to enter commands.
TTFT display—See
active-matrix display
.
Touch—To activate items displayed on the screen, such as
apps, setting icons, and on-screen buttons by touching
them with your finger.
Tile/Tiles—A list of square or rectangular icons on the Start
screen representing applications that can be accessed by
selecting them.
UUniversal Serial Bus (USB)—USB is a serial bus that
supports data transfer. 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)
.
USB Flash drive—A small, portable flash memory card that
plugs into a computer’s USB port and functions as a
portable hard drive. They are smaller and more durable than
an external hard drive because they do not contain any
internal moving parts, but have less storage capacity. See
also
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.
WWeb—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
.