IS 431: Chapter 12

The first task in the procurement phase is to solicit proposals or quotes from the vendors.

false In the procurement phase, the first task is to research technical alternatives.

Prototyping, a modern engineering-based approach to design, is a sequential process that limits user participation in system design, so as to increase user morale and support for the project.

false Prototyping is an iterative process that encourages and requires active end-user participation to increase end-user morale and support for the project.

Rapid application development is a system development approach that utilizes object-oriented modeling and Joint Requirement Planning to develop an information system on time and within budget constraints.

false Rapid application development is a system development approach that utilizes JAD, structure techniques, and prototyping.

The physical data flow diagram (PDFD) is used to establish the logical processes and data stores across a network.

false The physical data flow diagram (PDFD) is used to establish the physical processes and data stores across a network.

The primary tool of information engineering is the structure chart.

false The primary tool of information engineering is the data model.

Modern structured design, information engineering, and object-oriented design are examples of process-driven approaches.

false These are examples of model-driven approaches

Which of the following is(are) utilized in Rapid Application Development (RAD)?

both (a) and (b) a. structured techniques b. joint application development techniques

Which of the following is the first step in designing a system for in-house development?

design the application architecture

Which of the following is NOT a task of the procurement phase?

develop system models for each of the vendor's propsals

When modules are highly cohesive, each module should accomplish multiple tightly related functions.

false When modules are highly cohesive, each module should accomplish one and only one function. This makes the modules reusable in future programs.

A document that is prepared to solicit competitive proposals and quotes from several different candidate vendors and/or project is a:

none of the above

Structured design seeks to factor a program into the top-down hierarchy of modules that have the following properties:

none of the above

Which of the following is NOT a disadvantage of prototyping?

none of the above

Which one of the following is an example of model-driven approaches?

none of the above

A process model used to communicate the technical implementation characteristics of an information system is a(n):

physical data model

Which of the following is the first task undertaken by system developers during the procurement phase?

research technical criteria and options

A database schema is a structural model for a database.

true

In systems design, the analyst specifies the detailed computer-based solution.

true

System design is also called physical design.

true

In the procurement phase, which of the following is NOT a resource used to conduct research on technical alternatives?

vendor qualifications