Computer-based training (CBT) instruction is a very diverse and rapidly expanding spectrum of computer technologies that can assist anyone from a child to a doctor in teaching and learning a particular skill or process. This paper will describe the types of CBT and the disadvantages and advantages of using CBT. Examples of CBT applications include guided drill and practice exercises on learning a science such as physics or mathematics; the computerized visualization of complex objects such as the human body or the inner workings of an rocket ....