HP 820 - Manual (Page 169)

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Glossary
AC adapter A connector that provides external power (not
battery power) to your HP Jornada. For information about
installing and using the AC adapter, see the
Setting up
your HP Jornada section in chapter 2.
ActiveSync A feature of Windows CE Services that man-
ages data synchronization between your HP Jornada and
desktop PC. You can specify the type of data you want to
synchronize.
backup file A duplicate copy of your HP Jornada files and
data that is stored on your desktop PC or on a PC Card.
This file does not include your HP Jornada settings and
information stored in ROM, such as factory-installed
software. Use your backup file to restore your HP Jornada
to its previous state if your device data is damaged or
destroyed or if you have performed a full reset.
cache A special high-speed storage mechanism that saves
temporary copies of Web pages and other file types as your
view them. Your computer can quickly display Web pages
you have recently visited, because Pocket Internet Ex-
plorer can open them from cache instead of having to load
them again from the Web. Increasing the space designated
for your cache folder increases how quickly recently visited
files are displayed, but decreases the amount of space
available for other files on your HP Jornada. You can
choose to empty your cache upon exiting Pocket Internet
Explorer. This saves space on your device.