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Glossary
Extended Desktop (Dual
Display)
Using the internal LCD (Î page 165) and an external display as a continuous display field.
Windows and other items can be dragged between the two displays.
F
Firewall A security system for protecting the computer from unauthorized access via the Internet or
other external networks. The firewall regulates the data exchanged between the computer and
the external network, so that only approved data can pass through.
z An Internet connection firewall is provided in Windows XP.
FLASH Card A device for recording data. A FLASH card has the same characteristics as a hard disk in that
data is not erased even when the power is turned off, but because it has no mechanical
components, it can be used more easily than a hard disk. There are various types of FLASH
cards, including “Compact Flash” and “Smart Media”, which can be used in a wide range of
devices like portable computers and digital cameras.
E
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