Investigation phase Interpretation phase Representation phase 2. Operational Acts 3. Orientate, Provision, Explain and demonstrate and Assess are all functions which can, comparatively, be easily transferred to the CBL context. The underpinning principle is that the design of CBL programs can be understood to consist of the operation of two component ideas in systematic relationship to each other. These consist of the physical control acts exercised by the computer user, and 14 virtual operational acts.
Control acts, for example, include the use of the keyboard to start or stop a proces.
For example, they include opening and closing 'windows', moving items about on screen, cutting and pasting etc. A detailed specification of tasks by which problem solving and learning is carried out. Given the uncertainty of any enterprise which seeks to pin down what constitutes thinking, this classification is, inevitable no more than a useful fiction. Nevertheless, the planning of teaching and learning would be difficult without it . Although much can be achieved in the use of COM technology in both teaching and learning, there are distinct limitations.