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Information Systems Exam
Information Systems Exam Review
53
Other
Graduate
07/14/2008

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Term
1.  How would you distinguish between data, information and knowledge?
Definition
Data is a given fact, an employee number, a number of hours worked in a week.  It is the raw material in the production of information. Information is the collection of data organized so that they have additional value beyond the value of facts themselves. Knowledge is the awareness and understanding of a set of information and the ways that information can be made useful to support a specific task or decision.
Term
2.  What are some general strategies employed by organizations to achieve a competitive advantage?
Definition
Some strategies employed by organizations to achieve competitive advantages are cost, leadership, differentiation, niche, strategy, altering the industry structure, creating new products and services, and improving existing product lines and services.
Term
3.  What is a computer-based information system?  What are its components?
Definition
Computer based information systems is a single set of hardware, software, databases, telecommunications, people, and procedures that are configured to collect, manipulate, store and process data into information.  The components of CBIS are hardware, software, databases, and telecommunication.
Term
4.  What is the technology acceptance model (TAM)?  What is the difference between technology infusion and technology diffusion?
Definition
TAM specifies the factors that can lead to better attitudes about the information system, along with higher acceptance and usage of the system in an organization.
Term
5.  Identify at least six characteristics of valuable information.
Definition
-Accurate    -Relevant    -Secure        -Complete   -Simple

-Flexible      -Reliable     -Accessible  -Timely      

-Economical         -Verifiable

Term
6.  Identify three components of the CPU and explain the role of each.
Definition
Arithmetic/logic unit (ALU): performs calculations and makes logical comparisons.Control unit: accesses decodes and coordinates data in CPU and other devices.Primary memory: Holds program instructions and data for processing.
Term
7.  Explain the difference between system software and application software.  Give four examples of personal productivity software.
Definition
System software is a set of programs designed to coordinate the activities and functions of the hardware and various programs throughout the computer system.  Application software is a program that helps users solve particular computing problems.
Term
8.  What is an application service provider?  What issues arise in considering the use of one?
Definition
An application service provider is a company that provides software, support, and the computer hardware on which to run the software from the user’s facilities.  The issues that could arise is unauthorized access by employees or computer hackers.  The ASP might not be able to keep its computers and network up and running as consistently as necessary, or a disaster cold disable the ASP’s data center temporarily putting an organization out of business.
Term
9.  What is the difference between secondary storage and main memory?
Definition
Secondary storage is a more permanent storage Main memory or primary memory holds program instructions and data for processing.
Term
10.  What is open-source software?  What is the biggest stumbling block with the use of open-source software?
Definition
Open-source software is the developer of the software that allows the code to be publicly accessed thereby allowing expert users to help the developer more satisfactorily develop the application.
Term
1.  Define the database.  How is it different from a database management system?
Definition
Term
2.  What are the advantages of a relational model of other database models?
Definition
Term
3.  Identify six important characteristics in selecting a database management system.
Definition
Ÿ  Size of the databaseŸ  Number of concurrent usersŸ  PerformanceŸ  Ability of the DBMS to be integrated with other systemsŸ  Features of the DBMSŸ  Vendor considerationŸ  Cost
Term
4.  What is data modeling?  What is its purpose?  Briefly describe three commonly used data models.
Definition
Data modeling is the organization of data so that it can be used effectively. 3 Commonly used Data Models:Ÿ  Data Model- A diagram of data entities and their relationships.Ÿ  Entity-relationship (ER) diagrams: data models that use basic graphical symbols to show the organization of and relationships between data.Ÿ  Relational model: all data elements are placed in two-dimensional tables (relations), which are the logical equivalent of filesŸ  In the relational model;          -Each row of a table represents a data entity          -Columns of the table represent attributes          -Domain: the allowable values for data attributes
Term
5.  What is an attribute?  How is it related to an entity?
Definition
Attribute:  Characteristics of an entity. Entity: A generalized class of people, places, or things (objects) for which data is collected, stored, and maintained.
Term
6.  What are the main opportunities for doing business on the Web?  What are the main risks in doing business on the Web?  How can these risks be mitigated?
Definition
Term
7.  What technology play a major role in interorganizational and international information systems? Why?
Definition
Term
8.  Describe the elements and steps involved in the telecommunications process.
Definition
Ÿ  Telecommunications; the electronic transmission of signals for communications.Elements:Ÿ  Sending and receiving devicesŸ  ModemsŸ  Transmission mediaŸ  The message ProcessŸ  Sending unit transmit’s a signal to a modemŸ  Modem performs a number of functions such as converting the signal into a different form or from one type to anotherŸ  Modem then sends the signal through a mediumŸ  Signal is received by another modem that is connected to the receiving computer
Term
9.  What is an extranet? How is it different from an intranet? 
Definition
An extranet is a network based on Web technologies that links selected resources of a company’s intranet with its customers, suppliers, or other business partners.
Term
10.  What is the Web?
Definition
The Web also known as WWW or W3 is a menu-based system that uses the client/server model and organizes internet resources throughout the world into a series of menu pages, or screens, that appear on your computer.
Term
11.  What is Web browser?  How is it different from a Web search engine?
Definition
-Web Browser; software that creates a unique, hypermedia-based menu on a computer screen, providing a graphical interface to the Web.-The menu consists of graphics, titles, and text with hypertext links-Popular Web browsers: Microsoft Internet Explorer; Netscape Navigator; Mozilla Firefox, Apple Computer’s Safari
Term
1.  What systems are included in the traditional TPS?
Definition
Term
2.  Over the past decade, banks and investment firms have offered many services that would be impossible without IS’s.  Describe three such services and explain why IT makes them possible.
Definition
Term
3.  What is an electronic exchange?  What business issues are associated with its use?
Definition
Term
3.  What is an electronic exchange?  What business issues are associated with its use?
Definition
Term
5.  What is the role of a CRM system?  What sort of business benefits can such a system produce?
Definition
Term
6.  What are the stages of problem solving?
Definition
Term
7.  Describe the difference between a structured and an unstructured problem and give an example of each.
Definition
Term
8.  What are the basic types of reports produced by an MIS?  What guidelines should be followed in developing reports for MIS?
Definition
Term
9.  Define the decision support system.  What are its characteristics?  What are its components?
Definition
Term
10.  What is natural language processing?  What are the three levels of voice recognition?
Definition
Term
11.  Define the term artificial intelligence.
Definition
Term
12.  Describe three applications of expert systems or artificial intelligence.
Definition
Term
2.  What is the goal of information systems planning?  What steps are involved in IS planning?
Definition
Term
3.  What are the steps of the traditional systems development life cycle?
Definition
Term
6.  List the different types of feasibility.
Definition
Term
7.  What is the purpose of systems analysis?
Definition
Term
8.  How does the JAD technique support the RAD systems development life cycle?
Definition
Term
9.  What is the purpose of systems design?
Definition
Term
11.  What is an RFP? What is typically included in one? How is it used?
Definition
Term
15.  What are the financial options of acquiring hardware?
Definition
Term
16.  What are some of the reasons for program maintenance?
Definition
Term
1.  What special issues are associated with the prevention of image-based spam?
Definition
Term
3.  Identify three types of common computer-related mistakes.
Definition
Term
4.  According to the Computer Security Institute, what are the leading causes of financial loss associated with computer crime?
Definition
Term
6.  What is phishing?  What actions can you take to reduce the likelihood that you will be a victim of this crime?
Definition
Term
7.  What is a virus?  What is a worm?  How are they different?
Definition
Term
10.  Identify at least five tips to follow to avoid becoming a victim of a computer scam.
Definition
Term
12.  What is the difference between antivirus software and an intrusion detection devise?
Definition
Term
14.  What is ergonomics?  How can it be applied to office workers?
Definition
Term
When Chapters, a small bookstore, brings in a famous author for a special autograph session promoting her latest book and gets her on the local radio station, Chapters is using:
Definition
Sales Promotion
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