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Type :thesis
Subject :QC Physics
Main Author :Tho, Siew Wei
Title :The development of a microcomputer-based laboratory (MBL) system for gas pressure law experiment and the perception study (IR)
Place of Production :Tanjong Malim
Publisher :Fakulti Sains dan Matematik
Year of Publication :2010
Notes :masters
Corporate Name :Universiti Pendidikan Sultan Idris
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Abstract : Universiti Pendidikan Sultan Idris
The purpose of this research was to develop a Microcomputer-Based Laboratory (MBL) system for gas pressure law experiment used in tertiary physics education. The research was divided into two parts; the first part was to develop the system and the second part was to study the perception towards the use of the built system. The main hardware of the system was the PHOENIX (Data Logger) which was obtained from Inter-University Accelerator Centre (IUAC), New Delhi. Others hardware used were temperature sensor and pressure sensor. These hardware components were controlled by a computer. The sensors were calibrated according to the standard reference of pressure and temperature. The data and parameters obtained from the calibration were used in the courseware to determine the pressure and temperature based on the voltage of the sensors. The courseware design for this system was developed based on the Analysis, Design, Development, Implementation, and Evaluation (ADDIE) instructional model, while the courseware programming was written by using the Python Language (one of the Open Source Software Systems). This courseware provided an experiment for the Gay-Lussac's Law (Gas Pressure Law). This experiment measured the change of pressure and temperature of the gas in the Erlenmeyer flask. The courseware was able to display the data in the form of graph on the computer screen. The second part of the study was conducted on 41 respondents who joined the thermodynamics course to run the laboratory exercise using the built system. The perception aspects studied were user interface, graph display, use of courseware, installation of hardware and guide note. The data analysis was done by using descriptive statistics with the five-point Likert scale. An average mean score of 4.01 was obtained from the result. This shows the courseware has good performance. The application of this courseware can be expanded in the teaching and learning for other level of education.
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