GLOSSARY

Enterprise Integration and Communications Systems

- U -

Unit Cost
The total labor, material and overhead cost for one unit of production. [APIC].

UNIX
A family of operating systems licensed by AT&T that are known for their relative hardware independence and portable applications interface. It is used widely in technical and scientific computing applications.

Unshielded Twisted Pair
A network medium that uses 4 or 8 conductor unshielded twisted pair "telephone style" wiring. Existing Telephone wiring can be used for standard IEEE 802.3 Ethernet up to a speed of 10 Mbps, however 8 conductor "Category 5" Unshielded Twisted Pair wiring is necessary to support 100 Mbps Ethernet.

Usage
The number of units or dollars of an inventory item consumed over a period of time. [APIC].

Usage Variance
The deviation of the actual consumption of materials as compared to a standard. Standard Costs - Actual costs becomes usage variance. [APIC].

Use As Is
Material that has been dispositioned as unacceptable per the specifications but can be used as is. [APIC].

Utilization Losses
Utilization and unbalances of raw materials and energy.

UTP
See Unshielded Twisted Pair.