Glossary 231
GUI Graphical User Interface (pronounced “
ooey”). The use of
pictures rather than just words to represent the input and output
of a pro
ram. A pro
ram with a GUI runs under some
windowin
system (e.
. Microsoft Windows
®
). The pro
ram
displays certain icons, buttons, and dialo
boxes in its windows
on the screen. The user mainly controls these objects by
movin
a pointer on the screen (typically controlled by a mouse)
and selectin
certain objects by pressin
buttons on the mouse
while the pointer is pointin
at them.
Hz Hertz. A unit of frequency equal to 1 cycle per second.
ICA Independent Computin
Architecture. A three-part server-based
computin
technolo
y that separates an application’s lo
ic from
its user interface and allows 100% application execution on the
server. ICA was developed by Citrix Systems, Inc.
Inte
rated 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, si
nal characteristics, and meanin
of
interchan
ed si
nals.
Internet The Internet is a
lobal web of interconnected computers and
computer networks that are interconnected under a common set
of network protocols that allows them to function as a sin
le
lar
e network (see TCP/IP).
IP address Internet Protocol Address. The 32-bit, 4-byte address assi
ned
to machines with TCP/IP. It is usually represented in dotted
decimal notation. Provides interconnectivity amon
a variety of
independent host systems.
Intranet A network of WBTs within a company or or
anization.
ISDN Inte
rated Services Di
ital Network. Evolvin
switched network
standard that provides end-to-end di
ital voice and data
communication services.
kb or kilobit 1,024 bits. Commonly referred to as 1 thousand bits.
kB or kilobyte 1,024 bytes. Commonly referred to as 1 thousand bytes.
kbps or kb/s Kilobits per second. An abbreviation meanin
thousands of bits
per second.
To Next Page
Loading...
