2011

Glossary 97
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Drivers
A driver is a control program for technical devices. Drivers send the operating
system important commands which enable connected devices to interact. The
Windows system itself already includes numerous drivers for various devices to
make devices that are connected available automatically. Most drivers are
delivered by the device's manufacturer and are often available for download via
the Internet from the manufacturer's homepage. Driver updates may also be
available from these pages.
F
Firewall
A firewall is a technical system for protection against unwanted external access
or hacker attacks.
There are hardware and software firewalls. Hardware firewalls are mostly
technical devices with network interfaces (for example, router or proxy), and
are therefore sometimes called network firewalls. Software firewalls run as a
program on an operating system and control outgoing file traffic as well as
attacks from the web. They also protect against unwanted secret sending of
data from the computer by other programs.
Note: It may come to a blockade of communication between programs or
processes in your own system if your security level is set too high.
H
Hard disk
Storage medium with the largest storage capacity where the operating
system(s), programs, and files are saved. A hard disk can be built into the
computer, but there are also external hard disks which can be used with
different computers via a USB connection (portable drives or external hard
disk).
Hard disk drive
Storage medium with the largest storage capacity where the operating
system(s), programs, and files are saved. A hard disk can be built into the
computer, but there are also external hard disks which can be used with
different computers via a USB connection (portable drives or external hard
disk).
Hardware
The all-encompassing name for all internal components of a computer. For
example hard disk, graphics card, mainboard, etc. External peripheral devices