Western Digital WD20000H1NC User Manual - Page 189

Partition, Hardware, Protocol, RAID 0, Share, Spanned, Streaming Media

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MY BOOK WORLD EDITION USER MANUAL Partition - A logical division on a hard drive that the operating system treats as a separate hard drive. Each partition is assigned a unique drive letter. Port (Hardware) - A specialized outlet on a device for connecting to other devices using a cable or a plug. Ethernet ports, power ports, and USB ports are examples. Protocol - A convention of data transmission that defines timing, control format, and data representation. RAID - Redundant Array of Independent Disks. A grouping of hard drives in a single system to provide greater performance and data integrity. RAID 0 - RAID protocol in which data is striped across multiple hard drives, enabling the accelerated reading and recording of data by combining the work of two or more drives to increase performance. See also Striping. RAID 1 - RAID protocol in which two copies of the data are instantaneously recorded - each on separate hard drives. RAID 1 ensures the protection of users' data because in the event that one of the hard drives fails, the other hard drive(s) continue to read and write data until the faulty hard drive is replaced and rebuilt to once again safely mirror the data. See also Mirroring. RAM - Random Access Memory. Memory that allows any storage location to be accessed randomly, as opposed to sequential access devices such as tape drives. ROM - Read-Only Memory. An integrated circuit memory chip containing programs and data that the computer or host can read but cannot modify. A computer can read instructions from ROM but cannot store data in ROM. Share - A folder that can be used to organize and store files on your My Book World Edition. Shares can be shared with everyone (public) or with selected users on your network (private). SMB - Server Message Block. File-sharing protocol for Windows platform that allows users to access shares through My Network Places. Mac OS X or later also supports the CIFS protocol. See also Protocol. SMTP - Simple Mail Transfer Protocol. Standard for transferring e-mail across the Internet. See also Protocol. Spanned - Combines drives in a linear fashion to create one large logical volume. A spanned drive is like a single, bigger drive, in that files written to the volume earlier go to the "beginning" of the volume, on the first physical drive. If one of the drives fails, all data is lost. SSH - Secure Shell. A network protocol that uses encryption and authentication keys to enable two devices on the network to exchange data securely. See also Protocol. SSL - Secure Socket Layer. A protocol that provides authentication and encryption services between a web server and a web browser. See also Protocol. Streaming Media - Media such as audio, video, and photos that are constantly received while being delivered by a streaming provider. GLOSSARY - 183

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GLOSSARY - 183
MY BOOK WORLD EDITION
USER MANUAL
Partition
— A logical division on a hard drive that the operating system treats as a
separate hard drive. Each partition is assigned a unique drive letter.
Port
(Hardware)
— A specialized outlet on a device for connecting to other devices
using a cable or a plug. Ethernet ports, power ports, and USB ports are examples.
Protocol
— A convention of data transmission that defines timing, control format,
and data representation.
RAID
— Redundant Array of Independent Disks. A grouping of hard drives in a single
system to provide greater performance and data integrity.
RAID 0
— RAID protocol in which data is striped across multiple hard drives,
enabling the accelerated reading and recording of data by combining the work of two
or more drives to increase performance. See also
Striping
.
RAID 1
— RAID protocol in which two copies of the data are instantaneously
recorded — each on separate hard drives. RAID 1 ensures the protection of users'
data because in the event that one of the hard drives fails, the other hard drive(s)
continue to read and write data until the faulty hard drive is replaced and rebuilt to
once again safely mirror the data. See also
Mirroring
.
RAM
— Random Access Memory. Memory that allows any storage location to be
accessed randomly, as opposed to sequential access devices such as tape drives.
ROM
— Read-Only Memory. An integrated circuit memory chip containing programs
and data that the computer or host can read but cannot modify. A computer can read
instructions from ROM but cannot store data in ROM.
Share
— A folder that can be used to organize and store files on your My Book
World Edition. Shares can be shared with everyone (public) or with selected users on
your network (private).
SMB
— Server Message Block. File-sharing protocol for Windows platform that
allows users to access shares through My Network Places. Mac OS X or later also
supports the CIFS protocol. See also
Protocol
.
SMTP
— Simple Mail Transfer Protocol. Standard for transferring e-mail across the
Internet. See also
Protocol
.
Spanned
— Combines drives in a linear fashion to create one large logical volume. A
spanned drive is like a single, bigger drive, in that files written to the volume earlier go
to the “beginning” of the volume, on the first physical drive. If one of the drives fails, all
data is lost.
SSH
— Secure Shell. A network protocol that uses encryption and authentication
keys to enable two devices on the network to exchange data securely. See also
Protocol
.
SSL
— Secure Socket Layer. A protocol that provides authentication and encryption
services between a web server and a web browser. See also
Protocol
.
Streaming Media
— Media such as audio, video, and photos that are constantly
received while being delivered by a streaming provider.