Questions and Answers of Principles Information Systems

Identity theft, where people steal personal information, continues to be a problem for consumers and businesses. Assume that you are the database administrator for a corporation with a large database
What sort of main memory and cache memory should you seek?
Should you purchase a computer with an x86 processor, an Intel Atom processor, or an ARM processor? What are the pros and cons of each type of processor? Will you want a multi core processor? Why or
How might Nordstrom’s decision to move many of its technology innovators out of its central Innovation Lab and into the business groups allow the retailer to betterfocus on the soft side of
Identify and briefly describe the steps in the ETL process. What is the goal of the ETL process?
Review Table 5.4, which provides a list of rules, regulations, and standards with which U.S. information systems organizations must comply. Which of these standards do you think has the most impact
Describe how a NoSQL database differs from a relational database. Identify and briefly discuss the four types of NoSQL databases.
SQL databases conform to ACID properties. Briefly describe the ACID properties, and state the purpose of each. How does conformance to ACID properties affect the performance of SQL databases?
Outline some specific steps an organization might take to perform data cleansing to ensure the accuracy and completeness of its customer database before adding this data to a data warehouse. How
What concerns might be raised by performing data cleansing on a large set of raw data before it is used for analysis? How might these concerns be addressed?
How does an in-memory database provide fast access to data?
What is a data lake, and how is it different from a data warehouse?
What is big data? Identify three characteristics associated with big data.
What is in-memory database processing, and what advantages does it provide?
What is concurrency control? Why is it important?
What is a schema, and how is it used?
What is Hadoop? What are its primary components, and what does each do?
What is data scrubbing?
Identify four basic data manipulations performed on a relational database using SQL.
What is an entity-relationship diagram, and what is its purpose?
What is meant by data archiving? Why is this an important consideration when operating a database?
What is meant by the database approach to data management?
In the hierarchy of data, what is the difference between a data attribute and a data item? What is the domain of an attribute?
How would you define the term “database”? How would you define the term “database management system”?
In addition to a database management system, what other information system technology and resources are likely needed for this type of project?
Why is it unlikely that a traditional SQL database would be able to meet the firm’s needs?
What database technology options might the firm elect to use?
What sources of data might Telefonica Brasil use to perform customer churn analysis?
Identify several potential negative consequences resulting from poor execution of the data assimilation process.
Do you think that Walgreens should attempt to automate the process of assimilating Rite Aide customer, insurance, and medication data into its systems? Or, should Walgreens design an efficient manual
Would it make sense for Walgreen to appoint a data governance team to oversee the Rite Aide data assimilation process? What might the responsibilities of such a team be?
Identify specific federal regulations that apply to the use and management of Walgreens and Rite Aide data.
How might such a move affect you and your role?
What additional questions need to be answered before you can decide if the database as a service approach is right for your firm?
Can you think of any possible disadvantages to this approach?
What advantages might be gained from moving to a database as a service environment?
How might incomplete or inaccurate data be identified and corrected or deleted from the forecasting process? Are there risks in such data cleansing?
What issues could cause the raw weather data received to be incomplete or inaccurate?
Define the domain of acceptable values for barometric pressure, humidity, and temperature.
NCEI is responsible for hosting and providing access to one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and geophysical data. Good database design would
Can you foresee any problems with keeping the data current? Explain.
Should the database include data about the status of the theft investigation? If so, what sort of data needs to be included?
Which attribute would you designate as the primary key?
Identify 10 data attributes you would capture for each vehicle theft incident. How many bytes should you allow for each attribute?
How important do you think it is for FIMC and other companies offering roadside assistance services to provide customers with access to services via a mobile app? Do you think a mobile app will
Identify four success criteria for the STM Merci pilot project that address retention of riders, cost/benefits, recruitment of STM Merci partners, and usability of the application. The criteria
Use graphics software to develop a chart showing the worldwide market share of smartphone operating systems for Apple iPhone OS and Google Android over the past five quarters. Now do the same for
You have been asked to develop a user interface for a person with limited sight—someone without the ability to recognize letters or shapes on a computer screen. Describe the user interface you
How does Microsoft envision the future for Windows 10? Do you support this vision? Why or why not?
Distinguish between proprietary software and off-the-shelf software.
What is an embedded system? Give three examples of such a system.
The Mac OS X supports dual booting. What is this, and what benefits does it provide?
What role does a Linux distributor play?
Identify and briefly describe the five basic approaches to task management employed in operating systems.
Identify and briefly discuss five types of operating system user interfaces.
What is the kernel of the operating system?
What is an application programming interface (API)? What purpose does it serve?
What is the role of the computer operating system? Identify several activities performed by this key piece of software.
Identify and briefly discuss the three spheres of influence used to identify the scope of problems and opportunities that software addresses.
What actions can be taken to reduce these risks?You began operating a small general electric contracting company two years ago. Originally, it was just you and your cousin, but it has grown to five
What risks and start-up issues are associated with the use of any new software that is designed to replace manual procedures?
What are the pros and cons of using open-source software?
What is the primary difference between purchasing licensed software from a software manufacturer and using open-source software?
Given the business criticality of this system, would it make sense for Walmart to consider moving this system into a public cloud environment? What would be the advantages and disadvantage of such a
What special issues and considerations are likely to arise in the operation and support of an interorganizational system?
Should Walmart allow the suppliers to take a major role in defining and customizing the features and capabilities of this system or should they insist on a “one size fits all” approach?
Do you think that the VMI software is off-the-shelf or proprietary software? Why?
What are some creative things the IS team could do to overcome these resistance forces?The information systems support organization of your firm is keen to migrate all employees from whatever
What are some potential issues that could arise from this change?The information systems support organization of your firm is keen to migrate all employees from whatever operating system they have
What are some of the advantages of such a move?
Can you identify some advantages and disadvantages of establishing a corporate app store? We will now discuss systems software including operating systems, utilities, and middleware.
What risks are associated with letting employees use their favorite app to perform various tasks? Are these risks associated with tasks in the personal, workgroup, or enterprise sphere of influence?
Identify two tasks that an employee might perform that would have an impact on the work group and two that would have an impact on the enterprise sphere of influence.
Give an example of two tasks that an employee in the finance organization of this retail firm might perform that would have an impact restricted to their own personal sphere of influence.
What are some of the competitive advantages Vivobarefoot gained through its infrastructure update?One ongoing concern for Vivobarefoot is the quality and speed of the Internet service available to
1. What are some of the challenges and opportunities facing the processor chip industry in general and ARM in particular?2. Some chip industry observers and financial analysts believe that because of
Examine the possibility of a career in computer hardware sales. Which area of sales do you believe holds the brightest prospects for young college graduates—servers, mainframe computers,
A friend of yours texted you that he is considering changing his major to computer engineering. He wants to meet with you and get your input on this move. Do some research to find out just what is a
Do research on the Web to learn more about Apple’s decision to withdraw from the EPEAT program and why it later reversed that decision. Write a one-page report summarizing your findings.
Do research on the Web to learn more about bioprinting—both current and potential future applications.
Do research on the Web to find a description of Moore’s Law. What are the implications of this law? Are there any practical limitations to Moore’s Law?
Do research to find the total worldwide sales for hard disk drives and solid state storage devices over a five-year or more period. Try to get figures for the number of units sold as well as total
Discuss potential issues that can arise if an organization is not careful in selecting a reputable service organization to recycle or dispose of its IS equipment.
Fully discuss why some organizations are consolidating many data centers into a few. Are there any potential drawbacks to this strategy?
Briefly explain the differences between the magnetic stripe card, chip card, and the smart card. Which do you believe is safest for the consumer? Why?
What is a multicore processor? What advantages does it offer users over a single-core processor? Are there any potential disadvantages?
What is 3D printing? Discuss what you think the future is for 3D printing.
Discuss some of the technical and nontechnical issues that might come up in trying to establish a large grid computing project such as the Large Hadron Collider.
Identify the similarities and differences between massively parallel processing systems and grid computing.
Identify three reasons for increased spending on data centers.
How is a blade server different from a regular server?
When speaking of computers, what is meant by scalability?
What is cache memory and how is it used?
Which is the largest amount of memory—a gigabyte, petabyte, or terabyte?
How does the role of main memory differ from the role of secondary storage?
What is the difference between a foundry company and a fabless manufacturer?
What is a multicore processor?
What is the x86 instruction set?
How does clock speed govern the execution of instructions by a computer?
Identify the three top-ranked places to work as an IS professional. What makes these places so attractive? Are these features and benefits of importance to you?

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