Abstract
Understanding computer system hardware, including how computers operate, is essential for undergraduate students in computer engineering and science. Literature shows students learning computer organization and assembly language often find fundamental concepts difficult to comprehend within the topic materials. Tools have been introduced to improve students comprehension of the interaction between computer architecture, assembly language, and the operating system. One such tool is the Little Man Computer (LMC) model that operates in a way similar to a computer but that is easier to understand. Even though LMC does not have modern CPUs with multiple cores nor executes multiple instructions, it nevertheless shows the basic principles of the von Neumann architecture. LMC aims to introduce students to such concepts as code and instruction sets. In this paper, LMC is used for an additional purpose: a tool with which to experiment using a new modeling language (i.e., a thinging machine; TM) in the area of computer organization and architecture without involving complexity in the subject. That is, the simplicity of LMC facilitates the application of TM without going deep into computer organization/architecture materials. Accordingly, the paper (a) provides a new way for using the LMC model for whatever purpose (e.g., education) and (b) demonstrates that TM can be used to build an abstract level of description in the organization/architect field. The resultant schematics from the TM model of LMC offer an initial case study that supports our thesis that TM is a viable method for hardware/software-independent descriptions in the computer organization and architect field of study.
Highlights
Understanding computer system organization and architecture is essential for undergraduate students in computer engineering and science (Kurniawan and Ichsan, 2017; Ledin, 2020)
We claim that the modeling of Little Man Computer (LMC) gives initial indication of potentially wide application of TM in some areas of computer organization and architecture in such aspects as education, documentation and analysis of processes
Such fruitful aspects can be confirmed with further similar research in modeling classical computer organization and architecture units
Summary
Understanding computer system organization and architecture is essential for undergraduate students in computer engineering and science (Kurniawan and Ichsan, 2017; Ledin, 2020). In such a situation, simple hypothetical machine simulators can serve an important role by giving students access to the internal operation of a system. Tools have been introduced to improve students’ comprehension of the interaction between computer architecture, assembly language and the operating system One such tool is the Little Man Computer (LMC) model of a computer that operates, roughly, in a similar way to a real computer but that is easier to understand (Englander, 2014). Even though LMC does not have modern CPUs with multiple cores nor execute multiple instructions, it shows the basic principles of von Neumann architecture It is still in use as an educational architecture for teaching the basics of assembly language. LMC is more a model or a paradigm and its aim was to introduce students to such concepts as code and instruction sets
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