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Info Tech Quiz 2 Ch2
Info Tech Quiz #2 Chapter 2 Part 2
| Term | Definition |
|---|---|
| Master Data | consistent and uniform set of identifiers and extended attributes that show the core entitles of the enterprise such as customer, product, employe, vendor, location, etc. |
| Transactional Data | Generated and captured by operational systems, describes the business’s activities or transactions |
| Data Base | offers many applications by centralizing data and controlling redundant data |
| Data management system (DBMS) | Interfaces between applications and physical data files |
| Data Governance | A formal set of business processes and policies that are designed to ensure that the data is handled in a well-defined, responsible fashion |
| Data Quality | correct, standardizing and verifying the integrity of the data |
| Data Synchronization | matching and linking data from disparate sources |
| Data Enrichment | enhancing data using information from internal and external data sources |
| Data Maintenance | checking and controlling data integrity over time (ex. Updating information) |
| Data Warehouse | a logical collection of information (not data) gathered from many different operational databases that supports business analysis activities and decision-making tasks |
| Data Cleansing | Extraction, transformation and loading: a process that extracts internal and external databases |
| Data Mart | Provides historical information for a single department instead of an entire organization |
| Data Quality Audit | structured survey of the accuracy and level of completeness of the data in an information system |
| Accuracy | Does the data reflect reality? |
| Completeness | does the data enough alone show aspects of reality? |
| Consistency | is the data the same in difference systems and across different periods of time? |
| Uniqueness | are there duplicates? |
| Timeliness | is data available in a timely fashion for decision makers? |
| Validity | does the data conform to rules and formats? |
| Knowledge Management | Existing documentation of different process that guide how the business operates; Captures and stores knowledge in forms that all organizational employees can access and apply |
| Tacit Knowledge | Knowledge in people’s heads from Experiences, insights, expertise |
| Wisdom | collective and individual experience of applying knowledge to the solution of a problem |
| Explicit Knowledge | Consists of knowledge that can be documented, archived, and codified with the help of IS |
| Knowledge Management Systems (KMS) | Businesses use IS to manage their knowledge in a efficient and effective way |
| Create Step | people create new ways of doing things |
| Capture Step | knowledge is identified as valuable and represented in a reasonable way |
| Refine Step | knowledge is placed in context so that it is actionable |
| Store Step | knowledge is stored in a reasonable format |
| Manage Step | knowledge is kept current, reviewed to ensure its accurate |
| Dissemniate Step | knowledge made available to anymore who needs it |
Created by:
evehec
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