Specifications

Star-wired topology - A ring network (such as a token-passing ring) cabled through

centralized hubs or connection devices to create a physical star topology.

Switch - An mechanical, electronic, or software device that allows a user to start/enable

or stop/disable a process.

SyQuest - A manufacturer of removable-media hard and tape drives.

TB - See Terabyte.

TCP/IP -Transmission Control Protocol/Internet Protocol - a communication protocol for

internet routing and reliable message delivery, originally endorsed by the U.S.

Department of Defense and implemented on ARPANET. TCP/IP is the basis of the

Internet and is widely used in local area networks.

Terabyte -TB, TByte - a unit of measure for memory or disk storage capacity equal to

1,024 GB.

Terminal - A keyboard and display screen through which users can access a host

computer.

TIFF - Tagged Image File Format - TIFF files are often used to hold scanned

photographic images.

Tints - A lightened color created by controlling the number and size of the dots used to

print the color.

Token Ring - A type of network topology developed by IBM for Unix systems.

Trapping - A technique in which adjacent colors are slightly overprinted, eliminating

white-space gaps.

True Adobe PS - Not an emulated version of PostScript, but a true implementation of the

language. See also Adobe Certified.

TrueType fonts - Font technology developed by Apple Computer that ships with

Microsoft Windows.

TWAIN - Technology Without An Important Name – the protocol that allows a scanner

to send images it creates directly into a user’s word processing page layout program.

TWAIN Compliant – Incorporates the TWAIN protocol.

Unidirectional - Communication flow in one direction only (i.e., input or output, but not

both).

Update - The term used to describe a revision of software or firmware incorporating

changes designed to eliminate issues of non-conformance to specifications.

Upgrade - The term used to describe a revision of software or firmware incorporating

changes designed to enhance or provide new functionality.

USB - Universal Serial Buss - a high-speed serial data buss capable of transferring data

up to 12 Mbps.

UTP - Unshielded Twisted Pair – 4, twisted-pair wires combined as a single cable. Used

to connect components of a 10Base-T LAN installation.