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Components of Information System

Added on -2019-09-24

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SYSTEM ANALYSIS AND DESIGNHOMEWORK EXERCISE CHAPTER 1
Table of ContentsPART A: QUESTIONS...................................................................................................................11. The reason why system analyst has to act as a translator........................................................12. Main components of the information system..........................................................................13. Types of system development tools as well as methods..........................................................14. Phases of SDLC (Software development life cycle) waterfall model.....................................2PART B: CASE STUDY.................................................................................................................21. Levels of organization.............................................................................................................22. Example of retailers.................................................................................................................33. Meaning of empowerment.......................................................................................................34. Types of information system...................................................................................................3REFERENCE..................................................................................................................................5
PART A: QUESTIONS1. The reason why system analyst has to act as a translator A system analyst has to act as the translator because it translates technical information ina simple form so that non-technical people can easily understand it. Further, they are involved inthe process of planning and recommending the system as well as software. It is with the help ofthem only communication is being held between programmer and business people. It is thereason why they act as a translator. All the people (From top to bottom) who are involved in theoperation will be considered as a group. Thus, operation employee, middle manager, andsupervisor are some groups that are involved in the same. 2. Main components of the information systemAn information system consists of different types of components that are being used forthe purpose to collect data, process data and delivering the information. The main components ofthe information system are software, hardware, databases, human resources and the procedurethat is related to the same (Davis & Yen, 2018). Apart from this, other components of theinformation system include inventory controlling, sales information system and purchasinginformation system. However, critical mission system is basically a device which is if fail thenall the operation of the organization will also be affected. 3. Types of system development tools as well as methodsSystem development tools are given below:Modeling: This tool is used for the purpose to convert process and concept in thegraphical form. This will enable the system developer to test and modify theinformation.Prototyping: It tests the system concept as well as it also offers an opportunity to assessinput, output and the user interface before reaching on to any kind of final decision.Computer-aided system engineering: It uses very powerful software that providesassistance to the system analyst for the purpose to maintain as well as develop aninformation system. System development methods are given below:1

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