Exam 7: Development Strategies

A system is reliable if it adequately handles errors, such as input errors, processing errors, hardware failures, or human mistakes.

Some data files should be totally hidden from view, while others should have ____ so users can view, but not change, the data.

The goal of ____________________ is to build a system that is effective, reliable, and maintainable.

When companies use a ____, they already know the specific products or service they want and need to obtain price quotations or bids from vendors.

Which of the following is true of Web-based development?

A(n) ____________________ is a technique that uses a common yardstick to measure and compare vendor ratings.

Companies that use commercial software packages always must increase the number of programmers and systems analysts on the IT staff.

Buyers can customize a software package by ____.

____ is the transfer of information systems development, operation, or maintenance to an outside firm that provides these services, for a fee, on a temporary or long-term basis.

A ____ is a value that a system displays automatically.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -A value that a user enters whenever a query is run.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Describes a second generation of the Web that will enable people to collaborate much more dynamically.

Perhaps the most intense form of prototyping occurs when RAD methods are used.

A(n) ____ is a firm that delivers a software application, or access to an application, by charging a usage or subscription fee.

The decision to develop software in-house will require less participation from the systems analyst than outsourcing or choosing a commercial package.

A firm that enhances a commercial software package by adding custom features and configuring it for a particular industry is called a(n) ____.

Many firms feel that in-house IT resources and capabilities provide a competitive advantage because an in-house team can respond quickly when business problems or opportunities arise.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -A good way to measure relative performance of two or more competing products in a standard environment.

A request for quotation (RFQ) is less specific than an RFP (request for proposal).

Building an application in a ____ environment can offer greater benefits, and sometimes greater risks, compared to a traditional environment.