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Terms in this set (46)
What is a system?
A group of components that interact to achieve some purpose
What is an information system?
a group of components that interact to produce information
What is an management information system?
management and use of information systems that help organizations achieve their strategies
What is the five-component model of an information?
a model of the components of an information system: computer hardware, software, data, procedures, and people
What is an example of the five-component model of an information system?
airline reservation system
Why do businesses develop information systems?
to achieve their strategies
What are some of the wrong reasons businesses sometimes cite for developing information systems?
The company can be modern, to show off social networking presence, information systems department thinks it needs to be created or because the company is "falling behind the technology curve"
What is the most important component of an information system? and why?
People because if you do not know what to do with the data that it produces, you are wasting your time and money.
Explain how the five components of an information system are arranged in terms of ease of change and organizational disruption
simple matter to order additional hardware, developing new programs is more difficult, creating new databases is more difficult, changing procedures is even more difficult, changing personnel responsibilities and reporting relationships are very difficult and very disruptive.
How is information technology different from information systems?
You can buy IT; you cannot buy IS.
What is information technology?
IT refers to the products, methods, inventions, and standards that are used for the purpose of producing. IT pertains to the hardware, software, and data components.
What are the common definitions of information?
-Knowledge derived from data.
-data presented in a meaningful context.
-processed data, or sometimes, information is data processed by summing, ordering, averaging, grouping, comparing, or other similar operations.
What are the five characteristics of good information?
-Worth its cost
Describe the process by which organizations develop their information systems.
Briefly explain Porter's five forces model.
The five forces model: industry structure, competitive strategy, value chains, business processes, information systems
What are the four competitive strategies firms can choose from according to Porter's model?
cost, differentiation, industry wide, focus
What is value?
the amount of money that a customer is willing to pay for a resource, product, or service.
What is the margin?
Value - Cost
What is a value chain?
the network of value creating activities
What are the primary activities in a generic value chain?
Inbound logistics, operations/manufacturing, outbound logistics, sales and marketing, customer service
What are the support activities of a value chain?
Procurement, technology, human resources, infrastructure
What is the central idea of business process design?
a network of activities that generate value by transforming inputs into outputs.
What is the purpose of a database?
To keep track of things (entities)
What is a database and its various elements?
A self-describing collection of integrated records. Elements: bytes, columns, fields, rows, records, tables or files
What is a primary key, foreign key, and metadata?
-a column or group of columns that identifies a unique row in a table
-columns are keys of a different table that the one they reside
-data that describes data (description, data type)
What is a DBMS and its functions? List some of the popular DBMS.
-database management system- used to create, process, and administer a database- software program
What is a database application? and what are application programs and what are their functions?
-a collection of forms, reports, queries, and application programs that process a database.
-process logic that is specific to a given business need.
-to enable database processing over the interenet.
What are the different types of DBMS products?
Enterprise DBMS- products that produce large organizational and work group databases
Personal DBMS- products that are designed for smaller, simpler database applications.
What are the elements of a data model? Provide examples.
-data and relationships that will be stored in a database. (entities and relationships)
What is normalization? and how does it resolve the data integrity problem?
-the process of converting a poorly structured table into two or more self structured tables.
-It eliminates data duplication
What are the problems associated with information silos?
-Duplicated and inconsistent data, disjointed processes, limited information and lack of integrated information, isolated decisions lead to organizational inefficiencies, increases expense
What is the fundamental problem of information silos? How can this problem be remedied?
-data is stored in isolated systems or data integrity problems
-integrate the data into a single database and revise applications
What are the four phases of the customer life cycle? Briefly describe each phase.
marketing:sends messages to the target market to attract customer prospects
customer acquisition: sell
relationship management: increase the value of existing customers by selling them more product
Loss/Churn: win-back processes categorize according to value and attempt to win back high-value customers
What is ERP? What is the primary purpose of an ERP system?
-Enterprise Resource Planning: a suite of applications called modules, a database, and a set of inherent processes for consolidating business operations into a single, consistent, computing platform.
-Integration: left hand to right hand
What are the functions of enterprise application integration (EIA)?
-connects system islands via a new layer of software/system
-enables existing applications to communicate and share data
-provides integrated information
-leverages existing systems
-enables gradual move to erp
Explain the nature of the database component of an ERP solution.
-application programs, databases, business process procedures, and training and consulting
What applications must a product include to be considered an ERP?
-supply chain, manufacturing, crm, human resources, and accounting
What are the four challenges of implementing new enterprise systems?
-collaborative management, requirement gaps, transition problems, employee resistance
How should organizations manage employee resistance to change, in the context of new enterprise systems?
-communicate the need for change, enhance confidence, video demonstrations, extra enducment
What is business intelligence and BI systems?
-IS that process operational, social, and other data to identify patterns, relationships, and trends for use by business professionals.
-have the five strandar components: (hsdpP)
Name and describe the three primary activities in the BI process.
acquire data, perform analysis, publish results
What are the functions of data warehouses?
-obtain data, cleanse data, organize and relate data, catalog data
What are the common problems with using operational data?
-dirty data, contains missing elements, inconsistent data, non-integrated data, granularity
What are the features of a data mart?
-data collection, smaller than data-warehouse, that addresses the needs of a particular department or functional area of the business.
What is a business application?
Software component of a BI system.
What is data mining?
major activity concerns efficient and effective ways of selecting attributes.
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