Solved by ,shahida khalid ,fariha maqbool, anam aslam 1 how data driven support system works? 2 as opposed to model driven dss, these systems use large pools of data found in major organizational systems. These systems rely on data warehouses created from transaction processing systems. 2 why we need system analyst? 2 systems analysts work as a link between business people, amp computer programmers. However, they may not fully understand the capabilities and limitations of modern information technology. 3 what are strengths and weaknesses of rational man model? 3 spiral is an iterative approach to system development. The spiral lifecycle model is a combination of the classic waterfall model and aspects of risk analysis. The spiral model emphasizes the need to go back and reiterate earlier steps a number of times as the project progresses 5 what is the basic issue of crm? 3 customer privacy is an important issue in crm. Crm deals with large amounts of customer data through various touch points and communication channels. The individual firm is thus caught in an ethical dilemma – collecting as much information as possible but still respecting limits for personal privacy.

There is little standardized technologies and protocols for crm implementation in the market. Vendors publish new versions of crm software as frequently as they can thus adding to client’s expenses. Crm software requires highly integrated environment for high productivity, which is rarely available. 6 why intelligent systems are developed? 5 the set of processes developed in an organization to create, gather, store, maintain and apply the firm’s knowledge is called knowledge management.

Hence the systems that aid in the creation and integration of new knowledge in the organization are called knowledge systems. 7 what are the duties of system analyst? 5 systems analysts work as a link between business people, amp computer programmers. Functions of system analysis: at least one person should have a detailed knowledge of 2. iterative: the design/construction map of the house is amended and improved and repeated until all the requirements are fulfilled. marke ? info requirements for manufacturing information system at each level ans 2 following are the reasons to use incremental model: reasons to use incremental mode: early increments can be implemented with fewer people system is developed and delivered in increments after establishing an overall architecture. It is used when there is no time bondage maintenance cost is reduced as system is tested in every increment 3 situation in which spiral model should be used? 5 marks the spiral model is called a meta model since it encompasses all other life cycle models. The spiral model is suitable for development of technically challenging software products that are prone to several kinds of risks. However, this model is much more complex than the other models – this is probably a factor deterring its use in ordinary projects.

logic systems is continuously seeking talented and focused individuals who can contribute significantly and be a part of this growth process. what does mean of this phrase the investment in it is costly and inflexible? 2 marks the investment in it is costly and inflexible. Hence any investment not supporting the business strategy would be futile. q1: structured and unstructured problems in decision making? 2 unstructured decisions are those in which the decision maker must provide judgment, evaluation, and insights into the problem definition. By contrast, are repetitive and routine and involve a definite procedure for handling them so that they do not have to be treated each time as if they were new. q3:types of organizational structure? 3 hierarchical organization structured a hierarchical organization is organization structured in a way such that every entity in the organization, except one, is subordinate to a single other entity. Flat organization refers to an organizational structure with few or no levels of intervening management between staff and managers. Also tell the name of the model? 3 iterative model can lead to scope creep, since user feedback following each phase may lead to increased customer demands.

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If the course is unavailable the student will be sent a rejection letter. the following steps are as follows in making a dfd: 1 all processes must have at least one data flow in and one data flow out. 2 all processes should modify the incoming data, producing new forms of outgoing data. q18 why do we need system analyst? 2 systems analysts work as a link between business people, amp computer programmers. However, they may not fully understand the capabilities and limitations of modern information technology. Computer programmers apply information technology to build information systems which solves these problems but need not fully understand the business usages they are computerizing or supporting.

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Systems analysts due to their expertise in development, knowledge of business processes, awareness of industry best practices, bridge the gap by translating the scope of computerization into how the systems will handle the transactional flows and the relationship between the various aspects of the business for the programmers whilst keeping the overall objectives and requirements, both corporate and it related in perspective. q19 what do you understand by tqm? identify tools that can be used to promote and implement tqm? 3 tqm is a set of management and control activities which focus on quality assurance there are certain graphical tools used to implement and promote tqm. For instance o cause amp effect diagram page 61 20 what would be the document of software project which is developed under the procedural development phase? 3 21 discuss the second phase of spiral model along with the steps it involved 5 evaluate alternatives, identify and resolve risks – this involves. 1. risk analysis – it includes addressing any factors which may risk the successful completion of the entire project of is development including alternative strategies and constraints.