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让中国留学生叫苦连天的作业都有哪些?

日期:2020年03月08日 编辑:ad200904242025371901 作者:无忧论文网 点击次数:5162
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erpretation on the part of the “technologists” (Currie, 1995, p7). In addition, an “ad hoc approach” originates from problems experienced by “project managers” in detecting suitable “financial and non-financial performance” measures for continuous observing and managing of Information Technology projects (Currie, 1995, p7).


How to address the MIS issue

The issue is a result of miscommunication between the business and Information Technology. Management has to ensure that the dialogue between the two teams is effective and also that organisation goals such as high productivity and cost reduction are included in the planning of an MIS systems implementation or change.

 中国留学生作业辅导

Design/UCD Failures

Strategic Information Systems can sustain and “shape” business strategy to impact “organisational performance” in a relationship that forms a “trilogy” (Croteau et al, 2001, p78) however; the design and development” of Information Systems plays a major factor in the use of Information Technology (Das et al 1991, cited in Croteau et al 2001, page 80). User centred design places the end user’s requirements and ability at the “forefront”, conversely current technology focuses on the quest for technology answers with no consideration for the end user’s requirements in terms of “functionality” and ease of use (Kent et al, 2003, p87).


UCD Failures

An eminent online book retailer’s first online ordering system had a major costly flaw (Hambling et al, 2008, p10). System developers had included an electronic refund facility that allowed users to receive credit on their debit or credit cards if they purchased a negative number of books (Hambling et al, 2008, p10). During testing the systems developers did not anticipate that online shoppers would try to order a negative number (Hambling et al, 2008, p10). The program was amended to allow only the retailer’s administrative staff to carry out refunds (Hambling et al, 2008, p10).

Another UCD failure resulting from inadequate software design and testing was when the “European Space Agency Ariane 5” was initially launched in June 1996 and failed after 37.5 seconds (Hambling et al, 2008, p10). A software glitch resulted in the rocket deviating from its “vertical ascent” and had to be put into “self-destruct” mode to prevent the disastrous consequences of an active horizontal rocket (Hambling et al, 2008, p10).

Furthermore, when the UK government launched “online filing tax returns”, a weak security design allowed access to other users’ confidential earnings data regardless of log in location (Hambling et al, 2008, p10).


How to prevent UCD failures

A manager must ensure that the end users of the system are the main focus of any system design with particular reference to a user’s computer skills, security and the main objective of building the system, to improve business process. Consequently if the design is user focused; it is bound to function as intended. In addition, User Acceptance Testing (UAT) is the process whereby end users test a system to ensure that it “meets their business needs” (Hambling et al, 2008, p45). Although this process is seen as the responsibility of the end users of a system, it should be managed by managers to prevent errors (Hambling et al, 2008, p45).


Project Failures

A failed project is one that exceeds its set budget, over runs, does not incorporate organisational goals or just one that is cancelled (Standish Group International 1994, cited in Linberg 1999, page178). The proportion of IT systems failure is still high when compared to other technologically advanced projects (Yeo, 2002) and although there have been some “success stories” in systems “development” projects these have been overshadowed by “broadly publicised failures” (Linberg, 1999, p177). When Information Systems projects fail, the trustworthiness of technical staff is negatively impacted (Remenyi, 1999, p5) and it is believed that the lack of risk management has greatly contributed to these project failures (Remenyi, 1999,