Browsing by Author "Tesfaye, Natnael"
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Item Assessing the Usage of Ict: In Ethiopian Management Institute(Addis Ababa University, 2017-10-04) Tesfaye, Natnael; Yifiru, Martha (PhD)Introduction: These days managements in every organization are operating in highly dynamic and competitive environment. Thus, the current management training institutions are starting to understand the relevance and importance of information and communication technology. They are beginning to appreciate the use of ICT in any organization. This study tried to assess the current day to day usage of information and communication technology (ICT) and by how much work burden is resolved using ICT in Ethiopian management institute. Objective: The general objective of this study is to assess the usage of information and communication technology in Ethiopian management institute. Methodology: this study adopted a descriptive survey research design. The target population under the study was the employee of Ethiopian management institute. To this end, the necessary data were collected from 46 core employee (development program department) and 53 support employee (IT department, Audit, HRM, Women and youth, PR, Accounting and finance, Procurement and supply management and strategic) were included in this study. Self administered questionnaires and interviews were used and SPSS version 21 was utilized to analyze quantitative data, frequency and percentage were used to illustrate the study population. Conclusion: gaps or problems identified in assessing the usage of ICT were the institute have computers and some other ICT equipment like copiers, printers and scanners the major barrier to use ICT is lack of skill and unaware of what ICT equipments are found in their institute Recommendation: the study recommended that administrators should work hard to ensure the institute is equipped with latest ICT equipment that could be useful in promoting e- learning and should also consider regular training session to improve the usage of ICT. Further research direction also recommended enhancing usage of ICT in Ethiopian management institute.Item ASSESSING THE USAGE OF ICT: IN ETHIOPIAN MANAGEMENT INSTITUTE(2017-10-02) Tesfaye, Natnael; Yifiru, MarthaThese days managements in every organization are operating in highly dynamic and competitive environment. Thus, the current management training institutions are starting to understand the relevance and importance of information and communication technology. They are beginning to appreciate the use of ICT in any organization. This study tried to assess the current day to day usage of information and communication technology (ICT) and by how much work burden is resolved using ICT in Ethiopian management institute. Objective: The general objective of this study is to assess the usage of information and communication technology in Ethiopian management institute. Methodology: this study adopted a descriptive survey research design. The target population under the study was the employee of Ethiopian management institute. To this end, the necessary data were collected from 46 core employee (development program department) and 53 support employee (IT department, Audit, HRM, Women and youth, PR, Accounting and finance, Procurement and supply management and strategic) were included in this study. Self administered questionnaires and interviews were used and SPSS version 21 was utilized to analyze quantitative data, frequency and percentage were used to illustrate the study population. Conclusion: gaps or problems identified in assessing the usage of ICT were the institute have computers and some other ICT equipment like copiers, printers and scanners the major barrier to use ICT is lack of skill and unaware of what ICT equipments are found in their institute Recommendation: the study recommended that administrators should work hard to ensure the institute is equipped with latest ICT equipment that could be useful in promoting e- learning and should also consider regular training session to improve the usage of ICT. Further research direction also recommended enhancing usage of ICT in Ethiopian management institute.Item Mathematical Modeling of Point source Pollutants Transport in the Little Akaki River(Addis Ababauniversity, 2007-11) Tesfaye, Natnael; Assfa, Berhanu (PhD)Computer models are becoming increasingly important tools in every environmental management aspects. A general one dimensional water quality model has been developed for one of the most industrially concentrated and polluted river in Ethiopia; the Little Akaki River. The study covers a total of 27.4 km length along the river where pollution issues are significant. The spatial and seasonal variation of hydro-geometric properties that affect mixing and transport of chemicals in the river were estimated by correlating the river hydro-geometry in a power law model. For this 20 locations were systematically selected and field data was collected at five different months. The river have been conceptualized as 1370 equal length completely mixed computational elements; and a functional representation that includes mass transport and hydrodynamic equations were written for each computational elements. The general one-dimensional model equation was solved using the numerical technique by finite volume spatial discritization and finite difference temporal discritaization. A computational solution procedure was prepared by writing a computer program in MATLAB platform (version 7.0). The result from the model was first verified by comparing it with theoretical expectations. BOD and -DO were selected as water quality indicators and the longitudinal dispersion coefficient of the river and the kinetic parameters that affect fate of DO and BOD in the river were calibrated. The model is in good correspondence with . The performance of the model in predicting calibration data was satisfactory. After calibration the performance of the model in predicting data not used during calibration was also estimated and the result was in good agreement with these targeted water quality data. The applicability of this model as decision making tool for pollution control activities was also assessed and the result is encouraging. Recommendation; which takes into account the existing water quality problem in the study area, have been suggested for improvement and wider application the model. As works like this are an open ended; recommendations have been also given for additional research works