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computer sciences
databases
Principles of Information Systems 9th edition Ralph M. Stair, George W. Reynolds - Solutions
If cost was not an issue, describe the characteristics of your ideal computer. What would you use it for? Would you choose a handheld, portable, desktop, or workstation computer? Why?
Chances are you have seen places that offer payday loans in your town. Payday loans are short-term loans designed for people that run out of money before payday, but can repay the loan when their paycheck arrives. Advance America is the leading payday loan company in the United States. It includes
The Mayo Clinic and IBM have partnered in a venture to improve medical imaging technology. The clinic's current technologies aren't keeping up with the intense processing demands required to analyze digital medical images such as x-rays, CT scans, and MRIs. You've learned in this chapter that
See the Web site for this book to read about the Whitmann Price Consulting case for this chapter. Following are questions concerning this Web case. Discussion Questions 1. What considerations led Josh and Sandra to lean towards a Blackberry as the handheld device on which to run the AMCIS? 2. How
What is the difference between systems and application software? Give four examples of personal productivity software.
What is an application service provider? What issues arise in considering the use of an ASP?
What is open-source software? What is the biggest stumbling block with the use of open-source software?
What does the acronym API stand for? What is the role of an API?
Briefly discuss the advantages and disadvantages of frequent software upgrades.
Describe the term enterprise resource planning (ERP) system. What functions does such a system perform?
What is freeware? Give two examples.
What steps can a user take to correct software bugs?
Identify and briefly discuss two types of user interfaces provided by an operating system.
What is a software suite? Give several examples.
Name four operating systems that support the personal, workgroup, and enterprise spheres of influence.
What is a service-oriented architecture (SOA)?
What is multitasking?
Define the term utility software and give two examples.
Identify the two primary sources for acquiring application software.
Assume that you must take a computer-programming course next semester. What language do you think would be best for you to study? Why? Do you think that a professional programmer needs to know more than one programming language? Why or why not?
Identify four types of software licenses frequently used. Which approach does the best job of ensuring a steady, predictable stream of revenue from customers? Which approach is most fair for the small company that makes infrequent use of the software?
You are going to buy a personal computer. What operating system features are important to you? What operating system would you select?
Identify the fundamental types of application software. Discuss the advantages and disadvantages of each type.
You are using a new release of an application software package. You think that you have discovered a bug. Outline the approach that you would take to confirm that it is indeed a bug. What actions would you take if it truly was a bug?
How can application software improve the effectiveness of a large enterprise? What are some of the benefits associated with implementation of an enterprise resource planning system? What are some of the issues that could keep the use of enterprise resource planning software from being successful?
Define the term software as a service (SaaS). What are some of the advantages and disadvantages of employing a SaaS? What precautions might you take to minimize the risk of using one?
Describe three personal productivity software packages you are likely to use the most. What personal productivity software packages would you select for your use?
Contrast and compare three popular OSs for personal computers.
If you were the IT manager for a large manufacturing company, what issues might you have with the use of open source software? What advantages might there be for use of such software?
The York regional police protect 1,800 square kilometers north of Toronto, Canada. Until recently, the force has been challenged trying to keep the rugged Panasonic laptops in its 200 cruisers, boats, and helicopters up-to-date, secure, and synchronized. Although the notebooks were wirelessly
Valero Energy is North America's largest refiner. When they recently acquired some competing refineries, Valero tripled its annual revenue to $90 billion. While Valero's rapid growth has been good for its shareholders, it has been a nightmare for the company's information systems management
See the Web site for this book to read about the Whitmann Price Consulting case for this chapter. The following questions concern this Web case. Whitmann Price Consulting: Software Considerations Discussion Questions 1. What three types of software made the BlackBerry ideal for meeting the needs of
What is an attribute? How is it related to an entity?
How can a data dictionary be useful to database administrators and DBMS software engineers?
Identify important characteristics in selecting a database management system.
What is the difference between a data definition language (DDL) and a data manipulation language (DML)?
What is the difference between projecting and joining?
What is a distributed database system?
What is a data warehouse, and how is it different from a traditional database used to support OLTP?
What is meant by the "front end" and the "back end" of a DBMS?
What is data mining? What is OLAP? How are they different?
What is an ORDBMS? What kind of data can it handle?
What is business intelligence? How is it used?
Define the term database. How is it different from a database management system?
In what circumstances might a database administrator consider using an object-oriented database?
What is the hierarchy of data in a database?
What is a flat file?
What is the purpose of a primary key? How can it be useful in controlling data redundancy?
What is the purpose of data cleanup?
What are the advantages of the database approach?
What is data modeling? What is its purpose? Briefly describe three commonly used data models.
What is a database schema, and what is its purpose?
You have been selected to represent the student body on a project to develop a new student database for your school. What actions might you take to fulfill this responsibility to ensure that the project meets the needs of students and is successful?
Your company wants to increase revenues from its existing customers. How can data mining be used to accomplish this objective?
You are going to design a database for your cooking club to track its recipes. Identify the database characteristics most important to you in choosing a DBMS. Which of the database management systems described in this chapter would you choose? Why? Is it important for you to know what sort of
Make a list of the databases in which data about you exists. How is the data in each database captured? Who updates each database and how often? Is it possible for you to request a printout of the contents of your data record from each database? What data privacy concerns do you have?
If you were the database administrator for the iTunes store, how might you use predictive analysis to determine which artists and movies will sell most next year?
You are the vice president of information technology for a large, multinational consumer packaged goods company (such as Procter & Gamble or Unilever). You must make a presentation to persuade the board of directors to invest $5 million to establish a competitive-intelligence organization-
Briefly describe how visual and audio databases can be used by companies today.
Identity theft, where people steal your personal information, continues to be a threat. Assume that you are the database administrator for a corporation with a large database. What steps would you implement to help prevent people from stealing personal information from the corporate database?
What roles do databases play in your favorite online activities and Web sites?
A video movie rental store is using a relational database to store information on movie rentals to answer customer questions. Each entry in the database contains the following items: Movie ID No. (primary key), Movie Title, Year Made, Movie Type, MPAA Rating, Number of Copies on Hand, and Quantity
To improve service to their customers, the salespeople at the video rental store have proposed a list of changes being considered for the database in the previous exercise. From this list, choose two database modifications and modify the data-entry screen to capture and store this new information.
Your school maintains information about students in several interconnected database files. The student-contact file contains student contact information. The student-grades file contains student grade records, and the student-financial file contains financial records including tuition and student
J. Paul Getty was an American industrialist who made his fortune in the oil business. He made his first million at age 25 in 1916, and later became the world's first billionaire. Getty viewed art as a 'civilizing influence in society, and strongly believed in making art available to the public for
If you need a hard-to-find automobile part for a European import, you could probably find it in a catalog published by the ETAI Group in France. The ETAI catalog includes over 30 million parts for over 50,000 European car models manufactured during the past 15 years. The catalog is updated 100
See the Web site for this book to read about the Whitmann Price Consulting case for this chapter. Following are questions concerning this Web case. Discussion Questions 1. How will Whitmann Price consultants and the company itself benefit from their ability to call up corporate information in an
What is the difference between synchronous and asynchronous communications?
What role do the bridge, router, gateway, and switch play in a network?
Describe a local area network and its various components.
What is a metropolitan area network?
What is EDI? Why are companies using it?
Identify two approaches to securing the transmission of confidential data.
What is meant by the term unified communications?
Describe the elements and steps involved in the telecommunications process.
What is a telecommunications protocol?
What are the names of the three primary frequency ranges employed in wireless communications?
Define the term computer network.
What advantages and disadvantages are associated with the use of client/server computing?
What is the Bluetooth telecommunications specification? What capabilities does it provide?
What is the difference between near field communication and ultra wideband?
What is the difference between Wi-Fi and WiMAX communications?
How might you use a local area network in your home? What devices could connect to such a network?
Why is an organization that employs centralized processing likely to have a different management decision-making philosophy than an organization that employs distributed processing?
What are the pros and cons of public Wi-Fi access?
Briefly discuss the pros and cons of e-mail versus voice mail. Under what circumstances would you use one and not the other?
What is a shared workspace? Describe how you might use a shared workspace if you were the manager of an important global project for your organization.
Develop a set of criteria to use to determine if a given job position is a good candidate for telecommuting.
Do you think that this course is a good candidate for a distance learning course? Why or why not?
Why do you think so many wireless communications protocols have been developed? Will the number of protocols increase or decrease over time?
You have been hired as a telecommunications consultant to help an organization assess the benefits and potential cost savings associated with replacing an existing wired LAN with a wireless Wi-Fi network for an organization of 450 people located in a three-story building. You have determined that
As the CIO of a hospital, you are convinced that installing a wireless network and portable computers is a necessary step to reduce costs and improve patient care. Use Power- Point or similar software to make a convincing presentation to management for adopting such a program. Your presentation
Cambridge Health Alliance (CHA) serves the residents of Cambridge, Somerville, and Boston's Metro-North in Massachusetts. CHA includes three hospital campuses and more than 20 primary care and specialty practices-over 5,000 professionals in all. Physicians' ability to access information and medical
San Francisco-based Del Monte Foods is one of America's largest and most well-known food companies and the second largest pet foods company. It generated approximately $3.4 billion in net sales in 2007 through its numerous brands, which include Del Monte, StarKist, Contadina, Milkbone, 9Lives, Meow
See the Web site for this book to read about the Whitmann Price Consulting case for this chapter. Following are questions concerning this Web case. Discussion Questions 1. What role does bandwidth play in the successful delivery of the Advanced Mobile Communications and Information System? 2. When
What is the Internet? Who uses it and why?
What is a podcast?
For what are Telnet and FTP used?
What is an Internet chat room?
What is content streaming?
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