Oce VarioLink 2222c, Руководство пользователя

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VL3622c/VL2822c/VL2222c 10-5
10.2 Glossary
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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.
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.
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.
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.
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.
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. IPv4 (Internet Protocol version 4), a protocol widely used today, adopts a 32-
bit number for an IP address separated into four sections. An example of an IPv4
IP address is: 192.168.1.10. On the other hand, IPv6 (Internet Protocol version 6),
the next generation protocol, adopts 128-bit IP addresses. An IP address is as-
signed to every computer or other device connected to the Internet.
JPEG The acronym for Joint Photographic Experts Group, One of the file formats used
to save image data. (The file extension is ".jpg".) The compression ratio is gener-
ally 1/10 to 1/100. JPEG is an effective method to compress photographs and
other natural images.
Kerberos A network authentication system used for Windows 2000 or later, used as the Ac-
tive Directory authentication. Kerberos arranges an authentic site within the net-
work to provide two-phase authentication processes of users login and the use
of network resources, allowing users to be securely and efficiently authenticated.
LAN The acronym for Local Area Network. This is a network constructed by connect-
ing computers on the same floor, in the same building, or in neighboring build-
ings.
LDAP The acronym for Lightweight Directory Access Protocol, a protocol used to ac-
cess a database that can manage E-mail addresses and environmental informa-
tion of network users on the Internet, intranet, or other TCP/IP network.
Memory A storage device used for storing data temporarily. Some types of memory retain
data even after the power is turned off, while others not.
Multi Page TIFF A TIFF file that contains multiple pages.
OS The acronym for Operating System. This is base software used to control the sys-
tem of a computer. Windows, MacOS, or UNIX is an OS.
PASV The abbreviation for PASsiVe, a mode used to connect to an FTP server from
within a firewall. If this mode is not selected, the firewall regards the access as
unauthorized and blocks the connection, disabling any file transmission.
PDF The acronym for Portable Document Format. This is an electronically formatted
document with file extension of ".pdf". PDF is based on the PostScript for-
mat.You can use the free Adobe Reader software to view PDF documents.
Pixel The smallest constitutional unit of an image.
Pixel indicates an image pixel, the smallest constitutional unit of an image.
Term Description