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[서평]「Computer Organization and Design, The Hardware/Software Interface」

Experimenting in computer science course is challenging due to the limitation of site, equipment and special experiment tools. In this paper, based on the analysis of the experiments features of computer science curricula, such as, Principle of Computer Organization, Digital Image Process, Digital Signal Process etc., we design two kinds of virtual lab platforms and develop corresponding virtual lab systems for the courses in computer science curricula. In the first virtual lab, every experiment instrument in real lab is visualized as a Java component. In the other kind of virtual lab, the algorithm students learn in the course is packed as a Web Service component by C, C++ or Java. In both platforms, those components are listed in the system. Students is able to select Java components or Web Service components as the experiment they want to do need and integrate them by building connections between them. Then, the students can set input for the experiment in the input component. After click the button of rum, the result will be display for the students in the platform. In the two kinds of virtual lab, students can also write the code in the platform. After it is submitted, those codes will be transferred as a component by the platform and be added in the component list. Then they can use them as the components provide by the platform. So, they can test if the algorithm they write is correct. Both platforms are developed by Java Applet and can be run by a browse. By using our system, students can experiment at any time and any place via the Internet. Teacher is also able to do experiment in the classroom. Base on the platforms, 6 virtual lab systems have been developed and used by more than 5 universities in China. Those virtual lab systems have been received favorably by teachers and students.

Virtual laboratory platform for computer science curricula

This paper proposed the design model and implementing method of PCOVL (Principles of Computer Organization Virtual Lab) based on component technique. The system is implemented with Java language, which makes it independent of operating system. In PCOVL system, chip instruments are developed with Java Bean component so that it is scalable and gets good performance in software reuse. A trigger-dispatching mechanism based on data-driven is presented to schedule the components and transmit data. The control of component synchronization and cooperation is implemented by the multithreading scheme and lock technique. In PCOVL, users can design experiments visually, change states of components randomly at running time, observe the experimental phenomena, and finally get experiment results.

Design and Implementation of Principles of Computer Organization Virtual Lab Based on Component

Computer organization course is the fundamental course in computer science and engineering. It is also the core course of the undergraduate degree program of College of Computer Science at Zhejiang University. It is important that how to provide supplementary teaching resources and methods to improve the teaching effect. In this paper, we present a Top-Down and Bottom-Up blended teaching model and the supplementary online system for the computer organization course. This new model consists of multi-level online system for the teaching. The feedback from students shows that the teaching model and the online system are satisfactory.

Online System Support for Computer Organization Course

The paper proposes a method of an effective distance learning of architecture and computer organization. The proposed method is based on a software system that is possible to be applied in any course in this field. Within this system students are enabled to observe simulation of already created computer systems. The system provides creation and simulation of switch systems, too.

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The visual simulators for architecture and computer organization learning

This paper describes a freshman-level computer organization course designed to remove the magic surrounding the operation of modern computer systems. Students in the course use a virtual machine with a graphical interface (simulating a processor named TSC) to develop assembly language programming skills. They then use digital design techniques to implement TSC and run their programs on it. We have found the course to be successful in bringing the students full circle, showing how binary instructions and simple gates can lead to a working computer system. A text has been written to integrate the lecture topics and the labs. The text, labs, and software tools have been made available on the Web.

Jeff Penfold

Papers

A first year computer organization course on the web: make the magic disappear