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MIS 315 > MIS Exam 3 > Flashcards

MIS Exam 3 Flashcards

1
Q

What are the characteristics of personal information systems, workgroup information systems, enterprise information systems, and inter-enterprise information systems?

A
  • 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
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2
Q

What are information silos and what are the consequences of information silos?

A

-exists when data are isolated in separated information systems.

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3
Q

Which system applications are used by different departments in an organization?

A
  • 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
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4
Q

What is BPR and what are the characteristics of BPR?

A

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.
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5
Q

What are the phases involved in the customer life cycle?

A
  • Marketing(attract)
  • Customer Acquisition (Sell)
  • Relationship Management (support and resell)
  • Loss/Chum (Categorize)
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6
Q

What are the characteristics of CRM, ERP, and EAI?

A

-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

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7
Q

What are potential issues associated with ERP implementations?

A

-consolidating business operations into a single, consistent, computing platform

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8
Q

What are BI systems and how do they work?

A

Business Intelligence systems analyze an organization’s past performance to make predictions

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9
Q

What are fundamental categories of BI analysis?

A
  • Project Management
  • Problem Solving
  • Deciding
  • Informing
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10
Q

Why operational data is not a recommended source for BI systems?

A

lol

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11
Q

What is data warehouse and data mart? How do they work?

A

-a facility managing an organization’s business intelligence data

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12
Q

What is granularity?

A

refers to the level of detail represented by data

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13
Q

What is the goal of reporting and what is an exception report?

A

-type of business intelligence analysis, is to create info about past performance.

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14
Q

What is the difference between static and dynamic reports?

A
  • 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.
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15
Q

What is data mining?

A

techniques emerged from the combined discipline of stats, math, artificial intelligence, and machine-learning

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16
Q

What is the difference between unsupervised and supervised data mining, and what are techniques involved in these two types of data mining?

A
  • 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
17
Q

What are the characteristics of big data?

A

-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

18
Q

What is Hadoop and its background information?

A

is an open-source program supported by the Apache Foundation that manges thousands of computers and implements MapReduce.

19
Q

What does systems development deal with?

A
  • determining the system’s requirement
  • changes in requirement
  • difficulties involving scheduling and budgeting
  • changing technology
  • dis-economies of scale
20
Q

What does Brooks’ Law say?

A

adding more people to a late project makes the project later

21
Q

What is SDLC? what are the phases involved in SDLC and what is the purpose of each phase?

A
  • Systems development life cycle
    1. system definition
    2. requirements analysis
    3. component design
    4. implementation
    5. maintenance
22
Q

What is the first step involved in the system definition process?

A

-define system goals and scope

23
Q

What do different types of feasibilities concern?

A
  • 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.
24
Q

What are the challenges of using prototypes?

A

-developing a uniform funding solution for the system

25
Q

What is beta testing?

A

-Final say on whether system is “production ready”

26
Q

What are different system conversion techniques?

A

-Pilot: Implement entire systems in limited portion of business.
Limits exposure to business if system fails.
-Phased: System installed in phases or modules.
Each pieces installed and tested.
-Parallel: Complete new and old systems run simultaneously.
Very safe, but expensive
-Plunge: High risk if new system fails.
Only used if new system not vital to company operations.

27
Q

What does system maintenance deal with?

A
  • Record requests for changes: failures and enhancements
  • Prioritize requests
  • Fix failures: patches, service packs, new releases
28
Q

What is analysis paralysis?

A

-Project spends so much time on documentation it hampers progress

MIS 315 (2 decks)

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