Resumen
In work the description of the computer model of the knowledge control is shown. The basic stages of the knowledge control process are considered and work of the given model is shown during the knowledge control. In this article the concept of training and knowledge control testee over use of various test items forms and a technique of optimal test length from an investigated material volume are described. The modified marking and trained knowledge system for each test items form is offered. Advantages of the application of these methods are shown. The computer system of the knowledge control with using the described model is offered.