MIS Exam 3 Flashcards
What are the characteristics of personal information systems, workgroup information systems, enterprise information systems, and inter-enterprise information systems?
- Personal: Single user; procedures informal; problems isolated; easy to manage change
- Workgroup: 10-100 users; procedures understood within group; problem solutions within group; somewhat difficult to change
- Enterprise: 100-1000s; procedures formalized; problem solutions affect enterprise; difficult to change
- Inter-enterprise: 1000s; procedures formalized; problem solutions affect multiple organizations; difficult to change
What are information silos and what are the consequences of information silos?
-exists when data are isolated in separated information systems.
Which system applications are used by different departments in an organization?
- Customer service: order tracking, account tracking, customer support
- HR: recruiting, compensation, assessment, hr planning
- Accounting: general leader, financial reporting, cost accounting, accounts receivable, accounts payable, cash management, budgeting, treasury management
What is BPR and what are the characteristics of BPR?
Business Process Re-engineering
- Altering and designing business processes to take advantage of new information systems.
- Difficult, slow, and exceedingly expensive.
- Systems analysts interview key personnel throughout organization.
- Requires high-level, expensive skills and considerable time.
- BMP set stage for emergence of three major enterprise applications.
What are the phases involved in the customer life cycle?
- Marketing(attract)
- Customer Acquisition (Sell)
- Relationship Management (support and resell)
- Loss/Chum (Categorize)
What are the characteristics of CRM, ERP, and EAI?
-CRM: Solicitation and lead management application; Sales Applications; Relationship management apps; Customer support apps
-ERP: CRM; HR apps; Inventory apps; Manufacturing apps; Accounting apps
-EAI: Enterprise Application Integration. Links departmental silos together; Enables communicating and sharing data; Provides integrated information; Provides integrated layer-over top of existing applications
Enables gradual move to full ERP
What are potential issues associated with ERP implementations?
-consolidating business operations into a single, consistent, computing platform
What are BI systems and how do they work?
Business Intelligence systems analyze an organization’s past performance to make predictions
What are fundamental categories of BI analysis?
- Project Management
- Problem Solving
- Deciding
- Informing
Why operational data is not a recommended source for BI systems?
lol
What is data warehouse and data mart? How do they work?
-a facility managing an organization’s business intelligence data
What is granularity?
refers to the level of detail represented by data
What is the goal of reporting and what is an exception report?
-type of business intelligence analysis, is to create info about past performance.
What is the difference between static and dynamic reports?
- Dynamic reports online and interactive. Managers can see details that contributed to certain numbers look similar to static reports but online and interactive
- Static reports are business intelligence documents that are fixed at the time of creation and do not change.
What is data mining?
techniques emerged from the combined discipline of stats, math, artificial intelligence, and machine-learning
What is the difference between unsupervised and supervised data mining, and what are techniques involved in these two types of data mining?
- Cluster Analysis: unsupervised data mining technique in which statistical techniques identify groups of entities that have similar characteristics.
- Regression Analysis: data miners develop models prior to conducting analysis and then apply statistical techniques to data to estimate parameters of models
What are the characteristics of big data?
-Volume – petabyte and larger
-Velocity – generated rapidly
Variety
-Free-form text
Different formats of Web server and database log files;
Streams of data about user responses to page content; graphics, audio, and video files
What is Hadoop and its background information?
is an open-source program supported by the Apache Foundation that manges thousands of computers and implements MapReduce.
What does systems development deal with?
- determining the system’s requirement
- changes in requirement
- difficulties involving scheduling and budgeting
- changing technology
- dis-economies of scale
What does Brooks’ Law say?
adding more people to a late project makes the project later
What is SDLC? what are the phases involved in SDLC and what is the purpose of each phase?
- Systems development life cycle
1. system definition
2. requirements analysis
3. component design
4. implementation
5. maintenance
What is the first step involved in the system definition process?
-define system goals and scope
What do different types of feasibilities concern?
- Cost feasibility depends on the scope of project.
- Schedule feasibility difficult to determine because hard to estimate time it will take to build a system.
- Technical feasibility refers to whether existing information technology can meet needs of new system.
- Organizational feasibility concerns whether new system fits organization’s customs, culture, charter, or legal requirements.
What are the challenges of using prototypes?
-developing a uniform funding solution for the system
