Browsing by Author "Mulugeta, Ashenafi"

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    Exploring the Impact of Business and Information Technology Strategic Alignment on Organizational Performance: The Case of Ethiopian Revenue and Custom Authority
    (Addis Ababa University, 2020-09-03) Mulugeta, Ashenafi; Asefa, Temtim (PhD)
    We are now on the fifth generation (5G) world; every human activity interconnected with tremendous technological avenues. Here we can say informational systems play a vital role on the behalf of bridging the gap between business and IT world via internal integration and external adaptation. When we see the public organizations in Ethiopia, almost all have their own business strategies (like: vision, missions, 10 year’s plan). But the fact on the ground indicated that, the alignment of business and IT strategies remain a challenging issue. The aim of this study is to assess the current statuses of business and information technology strategic alignment in public organizations and recommend solutions that increase organizational capability to utilize IT resources through BITA. The study used mixed modal research approach, the qualitative (like: interview, observation) and survey research method. For data analysis descriptive analysis and regression analysis were used. The main finding of this study is that, there is a documented IT and business strategy in ERCA but a strong strategic relationship is required. The guideline was developed based on the research finding result; it contains four variables which are: government policies, business strategy, IT strategy, business strategy and organizational performance. Government of the country is defining a sets of policies and give a direction to organizations to implement the governmental policies, the public organizations are defining their business strategy by considering or with in the domain of governmental policies and announce the strategies to sub working units (E.g. human resource, IT, finance department) of the organization, the information technology department (in the case of ERCA managements of information system (MIS) department) define the set of strategies to enable the objectives/ goals of ERCA by integrating the business needs and IT solutions, the levels of integration/alignment between organizational needs and IT solutions matter the organizational performance. In ERCA case, the research findings indicates that, there is a good level (according to Likert scale, level-4) of alignment between business and IT strategies were presented. Therefore, keeping a strong business and information technology strategic alignment plays an important and holistic role for the achievements of organizational goal. An organizations have the more business and IT strategy the more strategic alignment as well as the more organizational performance is performed. Furthermore, the survey on the interrelationship/alignment between business and information technology strategies should continue in multiple public organizations.
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    Soaked Cbr Value Determination from Laboratory Dcp Test for Addis Ababa Red Clay Soil
    (Addis Ababa University, 2016-06) Mulugeta, Ashenafi; Tadesse, Samuel (PhD)
    The CBR test is the most widespread method of determining the bearing strength of pavement materials and is fundamental to pavement design. Almost all road construction manuals of Ethiopia recommend CBR tests for flexible pavement constructions. However, most of low volume roads such as roads built under Universal Rural Road Access Program (URRAP) have been designed, constructed and maintained without performing the required CBR tests. One of the cited reason is that CBR is an expensive test. Hence, this thesis is aimed to introduce the simplest and cheapest way of determining the required CBR values indirectly using DCP tests. In this study DCPI values obtained from the laboratory prepared samples were correlated with soaked CBR values for Addis Ababa red clay soils. In laboratory both CBR and DCP tests were conducted on soil samples remolded in standard CBR molds. The tests were performed for both soaked and un-soaked conditions. Besides, the appropriate soil index tests were conducted for all of the samples. The data analysis was made using a statistical software called SPSS, and a good correlation was obtained between soaked CBR and soaked DCP values and change in moisture content. Using a multiple linear regression for 21 samples, the following empirical equation was developed with 72.9% coefficient of determination. S_CBR = -0.53(CH_DCP_moist) - 0.22(S_DCP) + 19.49 -where; S_CBR and S_DCP are to mean that Soaked CBR and Soaked DCP respectively, and CH_DCP_moist is the difference between the water contents of the sample before & after soaking the remolded sample for DCP tests.