Exam 1: Introduction to Systems Analysis and Design

Which of the following is one of the main sectors of e-commerce?

Most large companies require systems that combine transaction processing, business support, knowledge management, and user productivity features.

-In the model of the SDLC shown in the accompanying figure, during ____, the IT staff maintains, enhances, and protects the system.

-In the accompanying figure showing the components of an information system, _________________________ refer(s) to the programs that control the hardware and produce the desired information or results.

The ____ method of developing systems is well-suited to project management tools and techniques.

A truck fleet dispatcher might run a series of _________________________ scenarios to determine the impact of increased shipments or bad weather.

-In the accompanying figure showing the components of an information system, _________________________ consist(s) of everything in the physical layer of the information system.

In a typical company organizational model, middle managers ____.

A(n) _________________________ is a set of related components that produces specific results, such as routing Internet traffic, manufacturing microchips, and controlling complex entities like the Mars Rover.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Describes objects, which combine data and processes.

After Roark has spent a week getting to know the members of the team, including their strengths and weaknesses, and what has worked well (and not so well) for this particular team in the past, one theme keeps recurring: the team has particularly weak communications skills. Which of the following methods, then, is he least likely to use, given what he knows about the disadvantages of each method?

Knowledge management systems are called expert systems because they ____.

In the systems planning phase, a key part of the preliminary investigation is a feasibility study that reviews anticipated costs and benefits and recommends a course of action based on operational, technical, economic, and time factors.

Explain what a knowledge worker is, and why this kind of worker is required by successful companies.

Rational Unified Process documents the experience of Microsoft's own software development teams. _________________________

____ provides vital protection and maintenance services for system software and hardware, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure.

Database administration involves ____.

TP systems are inefficient because they process a set of transaction-related commands individually rather than as a group.

A(n) _________________________ uses various symbols and shapes to represent data flow, processing, and storage.

A scalable design can expand to meet new business requirements and volumes.