This paper describes the Computer Based Learning Lab (CBLL) at Old Dominion University (ODU) as a component of the ODU-Comprehensive Assistance to Undergraduate Science Education (CAUSE) Project. Emphasis is directed to the structure and management of the facility and to the software under development by the staff. Serving the ODU-CAUSE User Group with respect to their programming needs is a predominate role of the CBLL. Other functions are briefly described, e.g., serving as a university-wide resource center for educational computing, implementing computer graphics as an educational resource, and providing computer facilities for other university users. It is explained that, although a comprehensive utilization study has not yet been undertaken, the reaction of faculty who have used the system has been favorable. Samples of files are provided to illustrate the flexibility and functional structure of the Computer Managed Instruction (CMI) system, e.g., adding a set of scores from a machine scored test, adding a set of scores from terminal input, creating a histogram of the first test, and modifying a student record in the roll file. (VT)