Wyse 3315SE, Справочное руководство

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Glossary 223
Flow control The procedure for regulating the flow of data between two
devices, flow control prevents the loss of data when one
device’s receiving buffer has reached its capacity.
FTP File Transfer Protocol. FTP is a program for transferring files in
TCP/IP environments such as the Internet in which a user,
acting as a client, downloads files from a remote server. FTP is a
core component in every TCP/IP system and is implemented at
the Applications layer with respect to the OSI protocol model. Its
operation is based on the Telnet program and TCP. FTP is
available on a wide variety of computer systems and serves as
a common protocol for transferring files between systems.
GUI Graphical User Interface (pronounced “gooey”). The use of
pictures rather than just words to represent the input and output
of a program. A program with a GUI runs under some
windowing system (e.g. Microsoft Windows
®
). The program
displays certain icons, buttons, and dialog boxes in its windows
on the screen. The user mainly controls these objects by
moving a pointer on the screen (typically controlled by a mouse)
and selecting certain objects by pressing buttons on the mouse
while the pointer is pointing at them.
Hz Hertz. A unit of frequency equal to 1 cycle per second.
ICA Independent Computing Architecture. A three-part server-based
computing technology that separates an application’s logic from
its user interface and allows 100% application execution on the
server.
Integrated CRT terminal A terminal with a monitor and connections on the back for a
keyboard and mouse.
Interface A shared boundary defined by common physical interconnection
characteristics, signal characteristics, and meaning of
interchanged signals.
Internet The Internet is a global web of interconnected computers and
computer networks that are interconnected under a common set
of network protocols that allows them to function as a single
large network (see TCP/IP).
IP address Internet Protocol Address. The 32-bit, 4-byte address assigned
to machines using the Internet with TCP/IP. It is usually
represented in dotted decimal notation. Provides
interconnectivity among a variety of independent host systems.