MIS 160 Quizs

Which of the following activities happens during the SDLC planning phase? A) The high level design is prepared. B) A presentation of why the system should or should not be developed by the organization is given. C) New system requirements are identified. D) User acceptance testing is performed.

B) A presentation of why the system should or should not be developed by the organization is given.

________ is the property that occurs when entity types or object classes are arranged in a hierarchy and each entity type or object class assumes the attributes and methods of its ancestors, that is, those higher up in the hierarchy. A) Class B) Inheritance C) Encapsulation D) Polymorphism

B) Inheritance

In which design phase of the SDLC are all functional features of the system chosen for development in analysis described independently of any computer platform? A) Conceptual design B) Logical design C) High level design D) Physical design

B) Logical design

Which of the following is NOT a guideline for better cost estimation? A) Use historical data B) Update estimates at the end of the project C) Have clear guidelines for creating estimates D) Use experienced developers

B) Update estimates at the end of the project.

The process of understanding how an information system can support business needs, design the system, build it, and deliver it to users is the _____. A) waterfall development methodology B) systems development life cycle C) analysis phase of the SDLC D) object oriented approach

B) systems development life cycle

Which option identifies the point at which benefits equal costs? A) Time value of money B) Net present value C) Break-even analysis D) Internal rate of return

C) Break-even analysis

Which of the following statements is true? A) Investments that have a positive net present value should always be accepted B) Investments that pay back in five years or less should always be accepted C) Investments that have a positive net present value should be considered for acceptance D) Investments that yield a positive internal rate of return should be accepted

C) Investments that have a positive net present value should be considered for acceptance

The net present value of a project is equal to A) the present value of all net cash flows that result from the project. B) the present value of all revenues minus the present value of all costs that result from the project. C) the present value of all future net cash flows that result from the project minus the initial investment required to start the project. D) All of the options are correct.

D) All of the options are correct.

Which of the following is NOT an example of a recurring cost? A) Hardware leases B) Data storage expenses C) Software maintenance D) System conversion

D) System conversion

Which term below means that money available today is worth more than the same amount tomorrow? A) Variable costs B) Discount rate C) Cost benefit D) Time value of money

D) Time value of money.

T/F Agile development methodology aims at eliminating the modeling and documentation overhead in IS projects, while emphasizing simple, iterative application development.

True

The economic surplus arising from building a software system is a) The benefit from doing it. b) The ratio of the benefits to the costs. c) The difference between the benefit and the cost. d) The average of the benefits and cost.

c) The difference between the benefit and the cost.

Process of translating cash flow into equivalent dollars at common base period is considered as a) Semiannual cash flow b) Annual cash flow c) Compounded cash flow d) Discounted cash flow

d) Discounted cash flow

In which design phase of the SDLC are logical specifications of the system from logical design transformed into technology-specific details from which all programming and system construction can be accomplished? A) Physical design B) Action design C) Conceptual design D) Logical design

A) Physical design

Method Overloading in object oriented programming is an example of A) Polymorphism B) Inheritance C) Encapsulation D) None of the options

A) Polymorphism

In cost-benefit analysis, internal rate of return is defined as A) The discount rate that makes NPV equal to zero B) The discount rate used in the discounted payback period method C) The discount rate used in the NPV method D) The difference between the cost of capital and the present value of the cash flows

A) The discount rate that makes NPV equal to zero

The principal disadvantages(s) with the waterfall development methodology is (are) _____. A) all of these B) long time elapses between completion of the system proposal and the delivery of the system C) the design must be completely specified on paper before programming begins D) if the team misses important requirements, expensive post-implementation programming may be needed

A) all of these

T/F Encapsulation means that the same message can be interpreted differently by different classes of objects.

False

T/F Extreme programming is ideal for developing large mission-critical applications.

False

T/F For software development projects with higher risk, discount rate in the cost-benefit analysis is lower.

False

T/F In CSS, the correct option to select only the paragraphs with class name "warning" is #warning{}

False

T/F It is almost impossible to come up with reasonable dollar values to intangible costs and benefits. Therefore, it is not necessary to include intangible costs and benefits in a cost-benefit analysis.

False

T/F The return on investment (ROI) should be used as the sole indicator of a project's worth because it considers the end points of the investment, not the cash flow in between.

False

T/F: Determining who will use the system, what the system will do, and where and when it will be used is performed during the planning phase of the systems development life cycle.

False

T/F: Understanding a software's business value to an organization is part of the analysis phase in the systems development life cycle.

False