Lacie 301496U User Manual - Page 59

Glossary

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LaCie Ethernet Disk User Manual Glossary page 59 16. Glossary 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. 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). Cache, -ing - This is an area of electronic storage (usually RAM) set aside to store frequently used data from electromechanical storage (hard drives, floppy disks, CD/DVD-ROM, tape cartridges, etc.) Therefore, storing frequently used data in RAM can enhance your system's overall response to diskintensive operations significantly. Configuration - When talking about a PC, configuration is understood to be the sum of the internal and external components of the system, including memory, disk drives, the keyboard, the video subsystem and other peripherals, such as the mouse, modem or printer. The configuration also implies software: the operating system and various device managers (drivers), as well as hardware settings and options set by the user via configuration files. Controller - This is a component or an electronic card (referred to in this case as a "controller card") that enables a computer to communicate with or manage certain peripherals. The controller manages the operation of the peripheral associated with it, and links the PC bus to the peripheral via a ribbon cable inside the PC. An external controller is an expansion card which fills one of the free slots inside your PC and which enables a peripheral (CD-ROM drive, scanner or printer, for instance) to be connected to the computer. Cross-platform - Term that refers to a device that is able to be operated by both Mac and Windows operating systems. Data Stream - The flow of data that accomplishes a task, usually related to moving data from storage to computer RAM or between storage devices. Digital - Discrete information that can be broken down to zero or one bits. Driver (peripheral manager) - A software component that enables the computer system to communicate with a peripheral. Most peripherals will not operate correctly - if at all - if the appropriate drivers are not installed on the system. DHCP (Dynamic Host Configuration Protocol) - This is a communications protocol that allows network administrators to centrally manage and automate the assignment of Internet Protocol (IP) addresses in an organization's network. Using IP, each computer that connects to the Internet must have a unique IP address. Ethernet - A LAN technology, based on the IEEE 802.3 standard. The most common Ethernet systems are 10BASET, which provides transmission speeds up to 10Mb/s, and 100BASE-T (also known as Fast Ethernet), which provides transmission speeds up to 100Mb/s, and Gigabit which provides 1000Mb/s (see also Gigabit Ethernet below). File System - Links the physical map of a disc to its logical structure. Thanks to the file system, users and computers can easily display path, directories and files recorded onto the disc. FTP (File Transfer Protocol) - This is a standard Internet protocol that uses the Internet's TCP/IP protocols to exchange files between computers on the Internet. It is commonly used to download programs and other files to a computer from a server. Firmware - Permanent or semi-permanent instructions and data programmed directly into the circuitry of a program-

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LaCie Ethernet Disk
Glossary
User Manual
page 59
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 sec-
tor 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 deliv-
ered to the receiving item as it is needed.
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, consid-
ered as a unit, 8 bits in length. There are 8 bits in 1 byte. See
also MB (Megabyte) or GB (Gigabyte).
Cache, -ing
– This is an area of electronic storage (usually
RAM) set aside to store frequently used data from electrome-
chanical storage (hard drives, floppy disks, CD/DVD-ROM,
tape cartridges, etc.) Therefore, storing frequently used data
in RAM can enhance your system’s overall response to disk-
intensive operations significantly.
Configuration
– When talking about a PC, configuration is
understood to be the sum of the internal and external compo-
nents of the system, including memory, disk drives, the key-
board, the video subsystem and other peripherals, such as
the mouse, modem or printer. The configuration also implies
software: the operating system and various device managers
(drivers), as well as hardware settings and options set by the
user via configuration files.
Controller
– This is a component or an electronic card (re-
ferred to in this case as a “controller card”) that enables a
computer to communicate with or manage certain peripher-
als. The controller manages the operation of the peripheral
associated with it, and links the PC bus to the peripheral via
a ribbon cable inside the PC. An external controller is an
expansion card which fills one of the free slots inside your PC
and which enables a peripheral (CD-ROM drive, scanner or
printer, for instance) to be connected to the computer.
Cross-platform
– Term that refers to a device that is able to
be operated by both Mac and Windows operating systems.
Data Stream
– The flow of data that accomplishes a task,
usually related to moving data from storage to computer RAM
or between storage devices.
Digital
– Discrete information that can be broken down to
zero or one bits.
Driver (peripheral manager)
– A software component that
enables the computer system to communicate with a periph-
eral. Most peripherals will not operate correctly – if at all – if
the appropriate drivers are not installed on the system.
DHCP (Dynamic Host Configuration Protocol)
– This is a
communications protocol that allows network administrators
to centrally manage and automate the assignment of Internet
Protocol (IP) addresses in an organization’s network. Using
IP, each computer that connects to the Internet must have a
unique IP address.
Ethernet
– A LAN technology, based on the IEEE 802.3
standard. The most common Ethernet systems are 10BASE-
T, which provides transmission speeds up to 10Mb/s, and
100BASE-T (also known as Fast Ethernet), which provides
transmission speeds up to 100Mb/s, and Gigabit which pro-
vides 1000Mb/s (see also Gigabit Ethernet below).
File System
– Links the physical map of a disc to its logical
structure. Thanks to the file system, users and computers can
easily display path, directories and files recorded onto the
disc.
FTP (File Transfer Protocol)
– This is a standard Internet
protocol that uses the Internet’s TCP/IP protocols to exchange
files between computers on the Internet. It is commonly used
to download programs and other files to a computer from a
server.
Firmware
– Permanent or semi-permanent instructions and
data programmed directly into the circuitry of a program-
16. Glossary