The computer industry often uses computer culture. Scholars tell us that some people have some people who have no, and those who master it will succeed in the information economy, and those lack of computer culture will not be avoided in the fault in the social economy. Computer culture is just a kind of euphemistic, let users work hard to understand unfamiliar logic instead of letting software products work to cater to user thinking. In this chapter, we discuss how the lack of understanding of the user and the understanding of the digital product method is separated from the population separated by computer culture, and those software that meet human thinking and working methods can help solve this problem. .
Implementation model
Any machine has a mechanical device to achieve its function. For example, a movie projector, use a series of messy moving parts to generate images. In less than one second, it uses strong light to illuminate a translucent, tiny image. Then blocked the light in an instant to move the next small image. Then remove the occlusion of the light. This process repeated 24 times in each second. For software products, its mechanism is unlikely like moving parts, it is replaced by algorithm and intermodal code module. It is preferred that the author of this book is more preferred by Donald Norman (1989) and other people, the author of this book is more willing to use this term using it, because it is a description program to be implemented by code.
User psychological model
From the perspective of the movie audience, it is best to forget the details of film tooth holes and rays in the film to see the fascinating plot. In fact, most of the audience do not know how the projector works, or what is different from the projecting machine and TV working. In viewers, the projector is to cast images on the big screen. This is the psychological model of the user, or the concept model. For the use of a complex product, people don't need to know how to work, so they create a cognitive story to explain it, which is enough for people to operate products, but do not reflect the internal direction of the mechanism Actual work. For example, many people think that when they insert the vacuum cleaner in the wall, the current flows like water from the wall from the wall to the electrical appliance. This psychological model is very sufficient to use household appliances. Although there is nothing in the model of household appliances, there is nothing to flow on the wire, and there is 120 voltages in each second, these are not related to users, although power companies must know these details. In the digital world, the difference between the user's psychological model and the model is often quite obvious. We will ignore the fact that the mobile phone work is in fact, which is actually different from the fixed phone. In contrast, it is a wireless transceiver. In a two-minute call, there may be inter-connection between half a counter different base station. However, understanding these can't help us understand how to use the phone. In software applications, the gap between model and psychological model is thorough, the complexity of implementation, so that the user understands that the mechanism between the reaction between his actions and procedures is almost impossible. When we use a computer to edit digital sound, or image effects such as deformed, we cannot push to the machine world, so our psychological model must be separated from the realization model. Even if the connection between action and reactivity is visible, it is still difficult to understand for most people.
