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Appendix
12
200/250/350 12-7
Appendix Chapter 12
DHCP Abbreviation for Dynamic Host Configuration Protocol. A protocol in
which a client computer on a TCP/IP network automatically specifies
the network settings from the server. With collective management of
the IP address for DHCP clients on the DHCP server, you can avoid
duplication of an address and you can build a network easily.
DNS Abbreviation for Domain Name System. A system that acquires the
supported IP addresses from host names in a network environment.
DNS allows the user to access other computers over a network by
specifying host names, instead of difficult to memorize and under-
stand IP addresses.
DPI (dpi) Abbreviation for Dots Per Inch. A resolution unit used by printers and
scanners. Indicates how many dots per inch are represented in an
image. The higher the value, the higher the resolution.
Driver Software that works as a bridge between a computer and a periph-
eral device.
Ethernet LAN transmission line standard
File Extension The characters added to the file name in order to differentiate file for-
mats. The file extension is added after a period, for example, “.bmp”
or “.jpg”.
FTP Abbreviation for File Transfer Protocol. A protocol for transferring
files over the Internet or an intranet on the TCP/IP network.
Gateway Hardware and software used as the point where a network is con-
nected to a network. A gateway also changes data formats, ad-
dresses, and protocols according to the connected network.
Gradation The light and dark levels of an image. As the number increases,
smoother brightness variations can be reproduced.
Grayscale Monochrome image expressive form using the gradation information
from black to white
GSS-SPNEGO/Simple/
Digest MD5
Authentication methods for logging on to the LDAP server. The au-
thentication method (GSS-SPENGO, SIMPLE or Digest MD5) for the
LDAP server differs depending on the server being used and the
server settings.
Halftone The method of producing the light and dark parts of an image
through varying sizes of black and white dots
Hard Disk Large capacity storage device for storing data. The data can be
stored even if the power is turned off.
Host Name Displayed name of a device over a network
HTTP Abbreviation for HyperText Transfer Protocol. A protocol used to
send and receive data between a Web server and a client (Web
browser). Documents containing images, recordings, and video clips
can be exchanged with the expressive form information.
ICM Abbreviation for Image Color Management. The color management
system used by Windows. Color differences of input/output devices,
such as monitors, scanners and printers, are adjusted to reproduce
colors so that they are nearly the same on any device.
IMAP Abbreviation 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.
Term Definition