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OC-3
An optical fiber that transmits data between two network devices. An OC-3 line runs at three times (3 x 51.84 Mbps) the base rate.
OEM
Stands for original equipment manufacturer. OEMs buy computers or components in bulk and build or customize them for a particular application. They then sell the customized computer under their own name.
Online Stores
A database of your products and services that customers browse on the Web, select the items they want, and purchase.
Open-Source Software
Software that is developed, tested, and improved through public collaboration. It is distributed with the intent that the source code will be shared among others, ensuring an open future collaboration.