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8. Glossary
ATA (Advanced Technology Attachment) –
The official name that the
American National Standards Institute (ANSI) uses for what the computer
industry calls Integrated Drive Electronics (IDE) – which is the standard
electronic interface used between a computer motherboard's data paths, or
bus, and the computer's disk storage devices.
Authoring
– Creation, combination and setup of various files for a DVD-
Video, DVD-ROM or audio disc. This includes audio, video, graphics and text
files.
Backup – (1)
The act of creating at least one additional copy of data onto a
different (and safe) storage device from where it can be retrieved at a later
time if needed.
(2)
A copy of a file, directory, or volume on a separate storage
device from the original, for the purposes of retrieval in case the original is
erased, damaged, or destroyed.
Bit –
The smallest measure of computerized data, either a 1 or a 0. Eight
bits equal one byte, or one character.
Block –
A very small section of the storage media comprised of one or more
sectors. A block is the smallest amount of space allocated on a drive for data
storage. By default, a sector of data consists of 512 bytes.
Buffer –
RAM cache that is faster than the data that is being delivered.
Buffers are used so data may be stored and delivered to the receiving item as
it is needed.
Buffer Underrun –
A condition when the drive’s buffer runs out of data
while the CD-R/RW or DVD-R/RW media is still being written. The recording of
a CD/DVD is a system-intensive process, and the recorder needs a constant
stream of data. A buffer underrun occurs when the stream to the recorder is
not fast enough to keep the recorder’s buffer full, causing the recording to
abort.
Bus –
Electronic links that enable data to flow between the processor, RAM
and extension cables (peripherals).
Byte –
A sequence of adjacent binary digits, or bits, considered as a unit, 8
bits in length. There are 8 bits in 1 byte. See also MB (Megabyte) or GB
(Gigabyte).