HP Thin Client PC t1010 T1000/T1010 Series Windows-based Terminal Administrato - Page 303

Glossary Flow control FTP GUI Hz ICA Integrated CRT terminal Interface Internet 307 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. File Transfer Protocol. FTP is a program for transferring files in TCP/IP environments such as the intranet in which a user, acting as a client, downloads files from a remote server. FTP is a core component in TCP/IP system administration and is implemented at the Applications layer with respect to the OSI protocol model. Its operation is based on the Telnet program and TCP. 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. Hertz. A unit of frequency equal to 1 cycle per second. 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. ICA was developed by Citrix Systems, Inc. A terminal with a monitor and connections on the back for a keyboard and mouse. A shared boundary defined by common physical interconnection characteristics, signal characteristics, and meaning of interchanged signals. 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).