178 Glossary
Start screen—Displays the new Windows® operating system look and
feel.
Suspend—A feature of some Windows® operating systems that allows
you to turn off the computer without exiting your open applications
and to continue from where you left off when you turn the computer
on again.
Swipe—Swipe an open window to the left or right of the screen to
display the next or previous window.
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.