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13.3 Scanner Glossary
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DHCP The acronym for Dynamic Host Configuration Protocol. used for a client compu-
ter on the TCP/IP network to load network configuration automatically from a
server. Just using a DHCP server to centrally manage IP addresses of the DHCP
clients enables you to construct a network without IP address conflicts or other
troubles.
DNS The acronym for Domain Name System. DNS allows for obtaining the IP address
corresponding to a host name in network environments. This system enables a
user to access other computers on the network by specifying host names instead
of elusive and non-intuitive IP addresses.
DPI (dpi) The acronym for Dots Per Inch. A unit of resolution used for printers and scan-
ners. This indicates the number of dots used to represent an inch. The higher this
value, the higher the resolution.
Driver Software that works as a bridge between a computer and a peripheral device.
Dynamic authentica-
tion (LDAP setting)
An authentication method option used when connecting to a LDAP server from a
multifunctional product. Select this option if you want an user to enter the login
name and password each time the user logs on the LDAP server to refer to des-
tination information.
Ethernet A standard for LAN transmission lines.
File extension Characters added to a file name for the recognition of the file format. The file ex-
tension is added after a dot of a file name, for example, ".bmp" or ".jpg".
FTP The acronym for File Transfer Protocol. This is a protocol used for transferring
files via the Internet, an intranet or other TCP/IP network.
Gateway Hardware and software used as the point where a network is connected to a net-
work. A gateway not only connects networks but also changes data formats, ad-
dresses, and protocols according to the connected networks.
Gradation The shading levels of an image. Larger number of the levels can reproduce
smoother transition of the shading.
Gray scale A form of presenting monochrome image by using the gradation information shift-
ing from black to white.
GSS-SPNEGO/
Simple/Digest MD5
Authentication methods used for logging in to the LDAP server. The different au-
thentication method, GSS-SPENEGO, SIMPLE or Digest MD5 is used for a LDAP
server depending on the type of the server being used or server settings.
Halftone A method for presenting the shading of an image by using different sizes of black
and white dots
Hard disk A large capacity storage device for storing data. The data is retained even after
the power is turned off.
Host name The name used to identify a device on a network.
HTTP The acronym for HyperText Transfer Protocol. This is a protocol used to send or
receive data between a Web server and a client (such as a Web browser). HTTP
can exchange files such as images, sounds, and movies that are associated with
documents, including their presentation formats and other information.
ICM The acronym for Image Color Management, a color management system used for
Windows. ICM adjusts the difference of a color caused by different I/O devices,
such as monitors, scanners and printers, and reproduce the color mostly com-
mon to any those devices.
IMAP The acronym for Internet Message Access Protocol. The protocol for retrieving E-
mail messages with the function for managing mailboxes on the server. Currently,
IMAP4 (the fourth version of IMAP) is most often used.
Install To install hardware, operating systems, applications, printer drivers, or other soft-
ware on to a computer.
IP Address An address or a code used to identify an individual network device on the Inter-
net. A maximum of three digits for four numbers are displayed such as
192.168.1.10. The IP address is assigned to every computer or other device con-
nected to the Internet.
IPP The acronym for Internet Printing Protocol. which is used to send or receive print
data or control printers via the Internet or other TCP/IP network. IPP can also
send and print data to printers in remote areas via the Internet.
Term Description