Glossary
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F
Field:
A video image consists of horizontal lines divided into two fields. All the
odd-numbered lines make up one field; the even-numbered lines make up the
other field.
Filesharing:
Filesharing refers to any exchange of data between two or more
computers over the Internet. There are currently many filesharing programs
available on the Internet, many of which can be used for free.
Firmware:
Firmware is system software stored in ROM or Flash memory.
Firmware is not deleted when the system has been turned off.
Flash memory:
Re-writable permanent memory that behaves like a hybrid of
RAM and a hard drive. Flash memory does not lose data even when its power
supply has been turned off. (see also "RAM")
G
GIF:
Abbreviation for Graphics Interchange Format. This graphics format was
developed by CompuServe as a high-compression format for transmitting
images without losing any data. The most important graphics element on the
Internet. The GIF format only has 256 colors because only 8 bits go into storing
each dot. GIFs are ideal formats for animations.
H
HTML:
Abbreviation for "HyperText Markup Language". A document standard
developed during the World Wide Web project that provides a simple logical
structure for titles, headings, paragraphs, numbering, forms, tables and
mathematical formulas as well as a language for defining hypertext links.
HTTP:
Abbreviation for "HyperText Transfer Protocol". A standard mechanism
used on the Internet to share documents between servers and clients.
I
IDE:
Abbreviation for "Integrated Drive Electronics". IDE is a parallel interface
used to connect hard-disk drives, CD drives, tape devices and floppy drives.
Advanced IDE hard drives have a IDE controller built into the hard-drive
housing.
Interlace:
A method of creating an image used in PAL and other systems.
Interlacing uses fields. Each field has 312 1/2 lines that are inserted one after
another. (see also "Field")
IP Address:
Abbreviation for "Internet Protocol". Every computer connected to
the Internet receives a unique identification number that consists of four
sections. This number is called an IP address. This allows other computers in the
network to identify it, send data packets to it and to process data they have
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