SOLVED

51) Which of the following types of system maintenance involves making enhancements to improve processing performance or interface usability? A) adaptive maintenance B) perfective maintenance C) preventive maintenance D) corrective maintenance E) predictive maintenance 52) Preventive maintenance of a system involves ________. A) making changes to an information system to repair flaws in the design B) making enhancements to improve processing performance or interface usability C) making changes to a system to reduce the chance of future system failure D) adding desired but not necessarily required system features E) making changes to an information system to accommodate changing business needs 53) BelAir Tech has a five-member team in charge of the development and maintenance of its information systems. An information system is in place, and the team performs routine maintenance to keep it running smoothly. Which of the following scenarios is an example of perfective maintenance? A) Jason notices a faulty component in the system and modifies the component. B) Justin works on the system to make the user interface more user-friendly. C) Sara knows that the company is migrating to a different operating environment in the next month, and makes changes to the system. D) Dylan predicts that the company’s old system may fail under new demands, and takes steps to avert this. E) Kiera detects a fault in the coding, which is hampering system performance, and rectifies it. 54) BelAir Tech has a five-member team in charge of development and maintenance of its information systems. An information system is in place, and the team performs routine maintenance to keep it running smoothly. Which of the following scenarios is an example of adaptive maintenance? A) Jason notices a faulty component in the system and modifies the component. B) Justin works on the system to make the user interface more user-friendly. C) Sara knows that the company is migrating to a new operating environment in the next month, and makes the appropriate changes to the system. D) Dylan predicts that the company’s old system may fail under new demands, and takes steps to avert this. E) Kiera detects a fault in the coding, which is hampering system performance, and rectifies it. 55) Which of the following is true for prototyping? A) It is a part of the fourth stage of the systems development life cycle. B) It is synonymous with adaptive maintenance of a system. C) It does not consider user requirements for the system. D) It uses a trial-and-error approach for discovering how a system should operate. E) It is also known as end-user development. 56) BelAir Tech needs a new information system to manage increasing customer orders and changing demands. The company’s five-member IS team is competent and capable of developing a new system, but BelAir decides against developing a system in-house. Which of the following, if true, would most weaken BelAir’s decision? A) The company’s preferred vendor is willing to provide a basic information system at a reduced rate. B) The company’s IS team is short-staffed and is finding it difficult to cope with increased work. C) The costs of outsourcing systems development are greater than those of adapting an off-the-shelf system. D) The company’s IS department has the qualifications to develop the new system. E) The company’s requirements for the new system are very specialized. 57) Which of the following steps takes place in an organization during both in-house systems development as well as external acquisition? A) vendor selection B) systems selection C) systems analysis D) development of an RFP E) proposal evaluation 58) BelAir has decided to buy an information system from an external vendor. The company has made a list of its requirements and asked prospective vendors to submit proposals for the system. Which of the following is the next step in the company’s external acquisition process? A) systems planning B) systems analysis C) vendor selection D) proposal evaluation E) system installation 59) Which of the following statements is true for a request for proposal? A) It is a form sent by vendors to potential customers. B) It requests vendors to provide a complete list of all their products. C) It invites customers to bid for a product offered by a vendor. D) It is a summary of the vendor’s offerings to a client. E) It is a list of user requirements sent to prospective vendors. 60) ________ is the use of standardized performance tests to facilitate comparison between systems. A) Beta testing B) Systems benchmarking C) Data modeling D) Systems prototyping E) Alpha testing