Information Systems Today Managing The Digital World 8th Edition Joseph Valacich, Christoph Schneider - Solutions

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Search the web for an organization with a web page that utilizes a link between the web page and the organization’s own database. Describe the data that the user enters and the organization’s possible uses for these data. Can you retrieve company information, or can you only send information to
Based on your understanding of a primary key and the information in the following sample grades table, determine the best choice of attribute(s) for a primary key.Student ID Course Grade 100013 Visual Programming A 000117 Telecommunications A 000117 Introduction to MIS A
Have several classmates interview database administrators within organizations with which they are familiar. To whom do these people report? How many employees report to these people? Is there a big variance in the responsibilities across organizations? Why or why not?
Why would it matter what data type is used for the attributes within a database? How does this relate to programming? How does this relate to queries and calculations? Does the size of the database matter?
You see an announcement for a job as a database administrator for a large corporation but are unclear about what this title means. Research this on the web and obtain a specific job announcement.
Match the following terms with the appropriate definitions:i. Primary key ii. Foreign key iii. Relational database model iv. Relationship v. Secondary keya. Attributes not used as the primary key that can be used to identify one or more records within a table that share a common valueb. An
Explain in simple language how the Internet works.Be sure to talk about backbones, packet switching, networks, routers, TCP/IP, and Internet services.What technologies, hardware, and software do you utilize when using the Internet? What would you like to use that isn’t available to you?
You have probably experienced several different types of connection—from the university T1 connections to a home DSL or even dial-up connection. If you had to balance between cost and speed, which connection would you choose?
Investigate the options for high-speed, broadband Internet access into your home. What options are available to you, and how much do they cost?
Working in a group, have everyone describe what type of network would be most appropriate for a small office with about 10 computers, one printer, and one scanner, all within one floor in one building and relatively close to one another. Be sure to talk about transmission media, network topology,
Describe one of your experiences with a computer network. What type of topology was being used? Was the network connected to any other networks? How?
Personal area networks using Bluetooth have become very popular. Visit www.bluetooth.com and investigate the types of products that this wireless technology is being used to enhance. Find three products that you find interesting and prepare a 10-minute presentation on what these products are and
Discuss the difference between PBX networks and LANs. What are the advantages of each? What are possible disadvantages of each? When would you recommend one over the other?
Match the following terms with the appropriate definitions:i. Protocols ii. Ethernet iii. FTTH iv. T1 line v. Wireless access pointa. A dedicated digital transmission line that can carry 1.544 Mbps of informationb. A networking device that transmits and receives wireless signals to allow wireless
Imagine that you and a friend are at a local ATM getting some cash from your account to pay for a movie. The ATM does not seem to be working. It is giving you an error message every time you press any button. Is this most likely a software-related problem, a hardware-related problem, or a
Based on your own experiences with computers and computer systems, what do you like and dislike about different operating systems that you have used? Were these uses on a professional or a personal level or both? Who made the decision to purchase that particular operating system? Did you have any
Visit the website of your favorite online retailer.Which parts of the content are created dynamically?What interactive components do the different web pages include? Do different types of pages (e.g., home page or payment and shipping page) need different types of interactive components?
What are the implications for an organization of using more than one operating system? What might be the advantages? What are some of the disadvantages?Would you recommend such a situation? Prepare a 10-minute presentation to the rest of the class on your findings.
Match the following terms with the appropriate definitions:i. Applet ii. Visual programming language iii. Scripting language iv. Interpreter v. Compilera. A software program that translates an entire program’s source code into machine language that can be read and executed directly by the
Choose a few of the computer hardware vendors that sell computers to the general public. These include Dell, HP, Lenovo, Apple, and many lesser-known brands. Using each company’s website, determine what options these vendors provide for input devices, processing devices, and output devices.Does
Based on your experiences with different input devices, which do you like the best and least?Why? Are your preferences due to the devices’design or usability, or are they based on the integration of the device with the entire information system?
What types of printers are most common today?What is the cost of a color printer versus a blackand-white one? Compare and contrast laser and ink-jet printers in terms of speed, cost, and quality of output. What kind of printer would you buy or have you bought?
Visit a computer shop or look on the web for trackballs or touch pads. What is new about how these input devices look or how they are used? What are some of the advantages and disadvantages of each device?
Match the following terms with the appropriate definitions:i. Motherboard ii. Audio iii. DVD-ROM iv. Smart card v. Streaming videoa. Analog or digital sound datab. A special credit card–sized card containing a microprocessor chip, memory circuits, and often a magnetic stripec. An optical storage
______________ is a technique to make a complex database more efficient by eliminating redundancy.A. extraction, transformation, and loading B. associating C. normalization D. standardization
A popular diagramming technique for designing databases is called ______________.A. flowcharting B. database diagramming C. entity-relationship diagramming D. none of the above
Each team has only one home stadium, and each home stadium has only one team. This is an example of which of the following relationships?A. one-to-one B. one-to-many C. many-to-many D. many-to-one
Which of the following is not true in regard to the relational database model?A. Entities are viewed as tables, with records as rows and attributes as columns.B. Databases use keys and redundant data in different tables in order to link interrelated data.C. Entities are viewed as children of
A(n) ______________ is a unique identifier that can be a combination of one or more attributes.A. secondary key B. primary key C. tertiary key D. elementary key
Which of the following is a typical way large corporations connect to the Internet?A. satellite B. cable C. T1 lines D. all of the above Answers are on page 489.Foundational Database Self-Study Questions
Which is the fastest connection available for home users?A. dial-up B. DSL C. wireless broadband D. fiber to the home
Which of the following is the protocol of the Internet, allowing different interconnected networks to communicate using the same language?A. Ethernet B. C++C. TCP/IP D. router
All of the following are common applications of high-frequency radio communication except ______________.A. police radios B. cellular phones C. microwave transmission D. facsimiles
Which of the following is not a type of cable medium?A. twisted pair B. coaxial C. fiber-optic D. shielded pair
CASE tools support all of the following except:______________.A. diagramming B. consistency checking C. generating code D. compiling code Answers are on page 489.Foundational Networking Self-Study Questions
A utility program may provide ______________.A. antivirus protection B. file conversion capability C. file compression and defragmentation D. all of the above
Which of the following programming languages would most likely not be used for building web applications?A. HTML B. JavaScript C. PHP D. Fortran
What is the name of the programming language developed by Sun Microsystems in the 1990s?A. Latte B. Java C. Mocha D. none of the above
An operating system performs which of the following tasks?A. booting the computer B. managing where programs and files are stored C. sending documents to the printer D. all of the above
A ______________ card is a special credit card with a microprocessor chip and memory circuits.A. smart B. master C. universal D. proprietary Answers are on page 489.Foundational Software Self-Study Questions
______________ can convert handwritten text into computer-based characters.A. scanners B. bar code/optical character readers C. text recognition software D. audio/video
Which of the following is an output device?A. cathode ray tube B. scanner C. video camera D. keyboard
Which of the following is not an input device?A. biometric scanner B. touch screen C. LCD screen D. barcode reader
All of the following are considered primary storage except ______________.A. SSDs B. RAM C. registers D. cache
Why is redundancy undesired?
What is the relational model?
What is an entity-relationship diagram, and why is it useful?
What is the purpose of a secondary key?
Describe the three types of relationships in a relational database.
Compare and contrast the primary key, combination key, and foreign key within an entity.
Describe why database design is important for modern organizations.
Other than dial-up, what are three alternatives for connecting to the Internet at home?Foundational Database Review Questions
What is the Internet, and why was it created?
What are four common methods of wireless transmission media for networking, and how do they differ from each other?
What are three common types of transmission media that use cabling?
What is a network topology? Describe the four basic topologies.
What is the purpose of the OSI model?
What is packet switching, and why is it useful?
What are the roles of authentication services and directory services?
How are LANs, WANs, and global networks related to each other?
What is CASE, and how can it help in the development of information systems?Foundational Networking Review Questions
Describe various options for adding dynamic content to a web page.
What is HTML, and why is it important?
Name and describe the five important concepts of object-oriented programming.
Name and describe four functions of utility programs.
Describe the similarities and differences between at least two major operating systems in use today.
Describe at least four different tasks performed by an operating system.MyMISLab
Define the term software and list several software packages and their uses.
What are output devices? Describe various methods for providing computer output.Foundational Software Review Questions
Compare and contrast the different types of secondary data storage.
What determines the speed of a CPU?
Describe the role of a motherboard.
How do computers represent data internally?
Describe various methods for entering data into and interacting with a computer.
IS hardware is classified into what three major types?
Explain foundational database management concepts.
Describe foundational networking and Internet concepts.
Describe foundational topics related to system software, programming languages, and application development environments.
Discuss foundational information systems (IS) hardware concepts.
Should the rest of the world care if China limits information access within China? Why or why not? Now that Google has moved against censorship, do you think other companies will follow suit? Why or why not?
Given that China has the largest number of Internet users, do you think it can ultimately succeed in controlling information?Why or why not?
Should foreign companies provide their technologies to China knowing that the technologies are used to limit the individual freedom of Chinese citizens? Why or why not?
Research the Snowden leaks on the web. How was Snowden able to gain access to so many classified documents?
How can companies reduce insider threats?
Choose a large company that many people are familiar with.How could this company be damaged by insider threats?
Using your spreadsheet software of choice, create a graph/figure to visualize the findings you consider most important.
As a team, discuss what these findings will look like in 5 years and 10 years. What will the changes mean for cloud computing and mobility? What issues/opportunities do you see arising?
As a team, interpret these numbers (or stories). What is striking/important about these findings?
Search the web for the most up-to-date statistics and events related to IS security.
Recently, you have taken on the position of IS manager at Campus Travel. In your second week at work, you realize that many of the software licenses are about to expire or have already expired. As you know about the legal and ethical implications of unlicensed software, you have decided to set up a
Because of the employees’ increased use of IS resources for private purposes at Campus Travel, you have announced that a new acceptable use policy will be implemented. You have set up a website for the employees to provide feedback to the proposed changes; the results of this survey are stored in
Microsoft and other software producers make free upgrades available to legitimate buyers of applications when security risks are exposed, but those using pirated copies are not eligible to receive security updates. Should security patches for popular software be given for free to everyone, no
Insider threats are not new. Use the web to find two examples of insider threats throughout history that have had a big negative impact on their organization or government.
Should tougher laws be passed to make spam a crime?If so, how should lawmakers deal with First Amendment rights? How would such laws be enforced?
To learn more about protecting your privacy, visit https://www.usa.gov/privacy and www.privacyrights.org. Did you learn something that will help protect your privacy? Why is privacy more important now than ever?
Find your school’s guidelines for ethical computer use on the Internet and answer the following questions:Are there limitations as to the type of websites and material that can be viewed (e.g., pornography)? Are students allowed to change the programs on the hard drives of the lab computers or
In some cases, individuals engage in cybersquatting in the hope of being able to sell the domain names to companies at a high price; in other cases, companies engage in cybersquatting by registering domain names that are very similar to their competitors’ product names in order to generate
Assess and compare the security of the computers you use regularly at home, work, and/or school. What measures do you use at home to protect your computer?What measures are taken at work or school to protect computers? (If possible, interview IT/IS personnel at work and/or at school to determine
Should the encryption issue be subject to ethical judgments?For instance, if an absolutely unbreakable code becomes feasible, should we use it with the knowledge that it may help terrorists and other criminals evade the law? Should governments regulate which encryption technology can be used so
What levels of user authentication are used at your school and/or place of work? Do they seem to be effective?What if a higher level of authentication were necessary?Would it be worth it, or would the added steps cause you to be less productive?

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Information Systems Today Managing The Digital World 8th Edition Joseph Valacich, Christoph Schneider - Solutions

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