Chapter10Unlocked - Exam Name TRUE/FALSE. 1 2 the shelf 3

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Exam Name___________________________________ TRUE/FALSE. Write ʹ T ʹ if the statement is true and ʹ F ʹ if the statement is false. 1) Systems analysis and design is the process of creating and maintaining information systems. 1) 2) Information systems are never off - the - shelf. 2) 3) Systems development is exclusively a technical task for programmers and hardware designers. 3) 4) The single most important criterion for information systems success is for users to take ownership of their systems. 4) 5) One of the major purposes of the systems development process is to create an environment in which questions are both asked and answered. 5) 6) Systems development always aims at a fixed target. 6) 7) The average contribution per worker is directly proportional to the team size. 7) 8) According to Brooks ʹ Law, adding more people to a system development project will make the project later. 8) 9) Understaffing is a one of the reasons for diseconomies of scale. 9) 10) The systems development life cycle is the classical process used to develop information systems. 10) 11) The output of the system definition phase of the SDLC is a set of approved user requirements. 11) 12) The output of the system definition phase of the SDLC is a project plan which is the input to the requirements analysis phase. 12) 13) The first step in the systems definition phase of the SDLC is to assess the feasibility of the project. 13) 14) The four dimensions of feasibility are cost, schedule, technical, and organizational feasibility. 14) 15) Technical feasibility refers to the likelihood that existing technology will be able to meet the needs of the system. 15) 16) In a project team, programmers are IS professionals who understand both business and technology. 16) 17) During requirements definition of a project, the team will be heavy with systems analysts. 17) 18) Users need to have active involvement in the project after the development stage and during the testing stage. 18) 1
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19) Determining the system ʹ s feasibility is the most important phase in the systems development process. 19) 20) The contents of a report or the fields in a data entry form are examples of requirements. 20) 21) Existing systems are the only source to determine requirements. 21) 22) The development team will create a data model if the new system involves a new database or substantial changes to an existing database. 22) 23) The data model is constructed on the basis of user interviews and must be validated by those users. 23) 24) The easiest and cheapest time to alter the information system is in the component design phase. 24) 25) Hardware specifications are done in the requirements analysis phase of the SDLC. 25) 26) Procedures for normal, backup, and failure recovery operations are developed in the component design phase of the SDLC. 26)
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Chapter10Unlocked - Exam Name TRUE/FALSE. 1 2 the shelf 3

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