Term
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Definition
| includes the plans for how a firm will build, deploy, use and share its data processes and MIS assets such as hardware, client, server, etc. |
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| a communication system that links two or more devices |
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| client/server architecture |
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Definition
| client does the light work, serves does the heavy duty work |
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| displays info/sends request to server |
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| physical devices associated with a computer system |
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| the set of instructions the hardware executes to carry out specific tasks |
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Term
| What are the 3 primary areas of MIS Infrastructure |
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Definition
| Supporting operation (align w/ bus. operations), supporting change (be able to deal w/ change), supporting the environment (sustainable) |
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| an exact copy of a system's information |
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| the ability to get a system up and running in the event of a system crash or failure |
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| the ability for a system to respond to unexpected failures or system crashes as the backup system automatically takes over with no loss of service. smooth transition of not having an interruption |
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| If the primary server crashes, the users are automatically directed to the secondary server. second system takes over first |
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| Occurs when the primary machine recovers and resumes operation, taking over from the secondary server. going from second back to first system |
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| a detailed process for recovering information or an IT system in the event of a catastrophic disaster |
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| separate, fully equipped facility where the org can move immediately after a disaster & resume bus. |
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| a separate facility that does not have any computer equipment, but is a place where employees can over after a disaster |
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Definition
| a separate facility with computer equipment that requires installation and configuration. |
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Term
| Business Continuity Planning (BCP) |
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Definition
| a plan for how an organization will recover and restore partially or completely interrupted critical function(s) w/in a predetermined time after a disaster or extended disruption |
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Term
| Emergency notification services |
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Definition
| an infrastructure built for notifying people in the event of an emergency |
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Term
| What are some characteristics of an agile MIS infrastructure (supporting change) |
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Definition
| accessibility, availability, maintainability, portability, reliability, scalability, usability |
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Definition
| refers to the varying levels that define what a user can access, view, or perform when operating a system |
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Definition
| time frames when the system is operational |
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| system is continuously operational at all times |
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Definition
| how quickly a system can transform to support environmental changes. Systems must be flexible enough to meet all types of business changes |
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Definition
| the ability of an application to operate on different devices or software platforms |
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Definition
| ensures a system is functioning correctly and providing accurate info. aka accuracy when discussing the correctness of systems w/i the context of efficient IT metrics |
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Definition
| how well a system can scale up, or adapt to the increased demands of growth |
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Definition
| determines future environmental infrastructure requirements to ensure high-quality system performance. |
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| the degree to which a system is easy to learn and efficient and satisfying to use. |
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Term
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Definition
| refers to the computer chip performance per dollar doubles every 18 months |
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Term
| sustainable or "green" MIS |
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Definition
| descries the production, mgmt use and disposal of technology in a way that minimized damage to the environment |
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Term
| corporate social responsibility |
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Definition
| companies acknowledged responsibility to society |
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Term
| what are 3 primary side effects of businesses' expanded use of technology |
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Definition
| increased electronic waste, increased energy consumption, increased carbon emissions |
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Term
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Definition
| refers to discarded, obsolete or broken electronic devices |
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Term
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Definition
| refers to the safe disposal of MIS assets at the end of their life cycle |
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Definition
| a collection of computers, often geographically dispersed, that are coordinated to solve a common problem |
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Definition
| refers to the use of resources and applications hosted remotely on the internet |
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Definition
| creates multiple "virtual" machines on a single computing device. |
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Term
| Transactional information |
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Definition
| encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support the performing of daily operational task |
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Term
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| encompasses all organizational information, and its primary purpose is to support the performing of managerial analysis tasks |
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| an aspect of information that depends on the situation |
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| immediate, up-to-date info |
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| provides real-time info in response to requests |
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| Characteristics of high-quality info |
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Definition
| accurate, complete, consistent, unique, timely |
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Term
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Definition
| maintains information about various types of objects (inventory), events (transactions), people (employees), and places (warehouses) |
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Term
| database management systsms (DBMS) |
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Definition
| allows users to create, read, update, and delete data in a relational database |
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Term
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Definition
| the smallest or basic unit of information |
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Term
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Definition
| logical data structures that detail the relationships among data elements using graphics or pictures |
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Definition
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| compiles all of the metadata about the data elements in the data model |
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Definition
| a person, place, thing, transaction, or event about which information is stored. Entity=tables |
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Term
| attribute (field, column) |
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Definition
| the data elements associated with an entity. The column in each table contain the attributes |
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| a collection of related data elements |
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Term
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Definition
| a field (or group of fields) that uniquely identifies a given entity in a table. Uniquely identifies each record, ex: student ID |
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Definition
| a primary key of one table that appears an attribute in another table and acts to provide a logical relationship among the two tables |
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Definition
| deals with the physical storage of info on a storage device (only one view) |
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Definition
| focuses on how individual users logically access info to meet their own particular business needs. (multiple views) |
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Definition
| measures how quickly a system performs a certain process or transaction |
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Definition
| the duplication of data or storing the same information in multiple places |
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| measures the quality of information |
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Definition
| rules that help ensure the quality of information |
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Term
| relational integrity constraint |
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Definition
| rules that enforce basic and fundamental information-based constraints. ex: can't ship product if no address is available |
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Term
| business-critical integrity constraint |
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Definition
| enforce business rules vital to an org's success and often require more insight and knowledge than relational integrity constraints. ex: an employee can't give more than 20% off.-put in as constraint |
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Definition
| provides authentication of the user |
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Definition
| determines who has access to the different types of info |
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Definition
| determines types of user access, such as read-only access |
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Term
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Definition
| an interactive website kept constantly updated and relevant to the needs of its customers using a database |
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Term
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Definition
| a logical collection of info-gathered from many different operational databases-that supports bus analysis activities and decision-making tasks |
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Term
| what is the primary purpose of data warehouse? |
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Definition
| to aggregate info throughput an org into a single repository for decision-making purpose |
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Term
| extraction, transformation, and loading (ETL) |
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Definition
| a process that extracts info from internal and external databases, transforms the info using a common set of enterprise definitions, and load the info into a data warehouse |
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Term
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Definition
| contains a subset of data warehouse info |
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Term
| information cleansing or scrubbing |
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Definition
| a process that weeds out and fixes or discards inconsistent, incorrect, or incomplete info |
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Term
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Definition
| the process of analyzing data to extract info not offered by the raw data alone |
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Term
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Definition
| use a variety of techniques to find patterns and relationships in large volumes of information |
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Definition
| assigns records to one of a predefined set of classes |
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Term
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Definition
| determines values for an unknown continuous variable behavior or estimated future value |
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Definition
| determines which things go together |
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Definition
| segments a heterogeneous population of records into a number of more homogeneous subgroups |
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Definition
| data already in a database or a spreadsheet |
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Term
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Definition
| data does not exist in a fixed location and can include text documents, PDFs, voice messages, emails |
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Definition
| analyzes unstructured data to find trends and patterns in words and sentences |
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Definition
| analyzes unstructured data associated with websites to identify consumer behavior and website navigation |
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Definition
| a technique used to divide an info set into mutually exclusive groups such that the members of each group are so close together as possible to one another and the different groups are as far apart as possible |
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Term
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Definition
| reveals the relationship between variables along with the nature and frequency of the relationships |
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Term
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Definition
| performs such functions as information correlations, distributions, calculations, and variance analysis |
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Definition
| predictions made on the basis of time-series info |
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Term
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Definition
| time-stamped info collected at a particular frequency |
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