CSIA 310 Exam 2 Study Guide 2022/2023

Document Content and Description Below

Information granularity - ANSWER refers to the extent of detail within the information (fine and detailed or coarse and abstract) Granularity refers to the extent of detail within the information (fin... e and detailed or "coarse" and abstract information) Data element - ANSWER The smallest or basic unit of information Data model - ANSWER Logical data structures that detail the relationships among data elements using graphics or pictures Metadata - ANSWER Details about data Data dictionary - ANSWER Compiles all of the metadata about the data elements in the data model Entity - ANSWER A person, place, thing, transaction, or event about which information is stored Attribute (field, column) - ANSWER The data elements associated with an entity Record - ANSWER A collection of related data elements Primary key - ANSWER A field (or group of fields) that uniquely identifies a given entity in a table Foreign key - ANSWER A primary key of one table that appears an attribute in another table and acts to provide a logical relationship among the two tables Data warehouse - ANSWER A logical collection of information - gathered from many different operational databases - that supports business analysis activities and decision-making tasks The primary purpose of a data warehouse - ANSWER to aggregate information throughout an organization into a single repository for decision-making purposes What is the primary difference between a database and data warehouse? - ANSWER A database stores information for a single application, whereas a data warehouse stores information from multiple databases, or multiple applications, and external information such as industry information Where the business has been. - ANSWER Historical perspective is always important in determining trends and patterns of behavior. Where it is now. - ANSWER Current situations are critical to either modify if not acceptable or encourage if they are trending in the right direction. Where it will be in the near future. - ANSWER Being able to predict with surety the direction of the company is critical to sound planning and to creating sound business strategies. Dimension - ANSWER A particular attribute of information. Cube - ANSWER Common term for the representation of multidimensional information Infographics - ANSWER Present the results of data analysis, displaying the patterns, relationships, and trends in a graphical format. Analysis paralysis - ANSWER Occurs when the user goes into an emotional state of over-analysis (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome Data visualization - ANSWER Describes technologies that allow users to "see" or visualize data to transform information into a business perspective. Data visualization tools - ANSWER Move beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more. Business intelligence dashboards - ANSWER Track corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis. Data artist - ANSWER a business analytics specialist who uses visual tools to help people understand complex data National service providers (NSPs) - ANSWER Private companies that own and maintain the worldwide backbone that supports the Internet Network access points (NAPs) - ANSWER Traffic exchange points in the routing hierarchy of the Internet that connects NSPs Regional service providers (RSPs) - ANSWER Offer Internet service by connecting to NSPs, but they also can connect directly to each other Bandwidth - ANSWER The maximum amount of data that can pass from one point to another in a unit of time lil bit - ANSWER you cant f*** with me if you wanted you Bit Rate - ANSWER bits per second (bps) Modem - ANSWER A device which allows a computer to transmit and receive data Broadband - ANSWER A high-speed Internet connection that is always connected Protocol - ANSWER A standard that specifies the format of data as well as the rules to be followed during transmission Network Convergence - ANSWER The efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures Unified communications (UC) - ANSWER The integration of communication channels into a single service Peer-to-peer (P2P) - ANSWER A computer network that relies on the computing power and bandwidth of the participants in the network rather than a centralized server. Voice over IP (VoIP) - ANSWER Uses IP technology to transmit telephone calls. Skype - ANSWER pairs P2P (peer-to-peer) technology with a PC's sound card to create a voice service, which the user can use to call other Skype users Vonage - ANSWER lets the user place calls to any person who has a mobile or landline (regular telephone) number Internet Protocol TV (IPTV) - ANSWER Distributes digital video content using IP across the Internet and private IP networks Intranet - ANSWER A restricted network that relies on Internet technologies to provide an Internet-like environment within the company for information sharing, communications, collaboration, web publishing, and the support of business process. Extranet - ANSWER An extension of an intranet that is only available to authorized outsiders, such as customers, partners, and suppliers. Virtual Private Network (VPN) - ANSWER Companies can establish direct private network links among themselves or create private, secure Internet access, in effect a "private tunnel" within the Internet. SSL Certificate - ANSWER An electronic document that confirms the identity of a website or server and verifies that a public key belongs to a trustworthy individual or company Secure hypertext transfer protocol (SHTTP or HTTPS) - ANSWER A combination of HTTP and SSL to provide encryption and secure identification of an Internet server Personal area networks (PAN) - ANSWER Provides communication over a short distance that is intended for use with devices that are owned and operated by a single user (40 feet). Local Area Network (LAN) - ANSWER connects a group of computers in close proximity, such as an office building, school or home Wireless LAN (WLAN) - ANSWER A local area network that uses radio signals to transmit and receive data over distances of a few hundred feet. Campus Area Network (CAN) - ANSWER connects several local buildings Wireless MAN (WMAN) - ANSWER A metropolitan (wide) area network that uses radio signals to transmit and receive data. Worldwide Interoperability for Microwave Access (WiMAX) - ANSWER A communications technology aimed at providing high-speed wireless data over metropolitan area networks. Wireless WAN (WWAN) - ANSWER A wide area network that uses radio signals to transmit and receive data. Wireless ("untethered") benefits - ANSWER increases productivity speeds delivery to market reduces operating costs Radio-Frequency Identification (RFID) - ANSWER Uses electronic tags and labels to identify objects wirelessly over short distances RFID Tag - ANSWER An electronic identification device that is made up of a chip and antenna RFID reader (RFID interrogator) - ANSWER A transmitter/receiver that reads the contents of RFID tags in the area Passive RFID tag - ANSWER Does not have a power source Active RFID tag - ANSWER Contains a transmitter and a power source Semipassive RFID tags - ANSWER use a battery to run the microchip's circuitry, but communicate by drawing power from the RFID reader. Asset tracking - ANSWER occurs when a company places active or semi-passive RFID tags on expensive products or assets to gather data on the items' location with little or no manual intervention. RFID accelerometer - ANSWER a device that measures the acceleration (the rate of change of velocity) of an item and is used to track truck speeds or taxi cab speeds. Chipless RFID tags - ANSWER use plastic or conductive polymers instead of silicon-based microchips, allowing them to be washed or exposed to water without damaging the chip. Global positioning system (GPS) - ANSWER A satellite-based navigation system providing extremely accurate position, time, and speed information Geocache - ANSWER A GPS technology adventure game that posts the longitude and latitude location for an item on the Internet for users to find Geocoin - ANSWER A round coin-sized object uniquely numbered and hidden in geocache Automatic vehicle location (AVL) - ANSWER Uses GPS tracking to track vehicles Geographic Information systems (GIS) - ANSWER Consists of hardware, software, and data that provide location information for display on a multidimensional map Spatial data (geospatial data or geographic information) - ANSWER Identifies the geographic location of features and boundaries on Earth, such as natural or constructed features, oceans, and more. Geocoding - ANSWER a coding process that assigns a digital map feature an attribute that serves as a unique ID (tract number, node number) or classification GIS professionals are certified - ANSWER in geocoding practices to ensure industry standards are met when classifying spatial data. Location Based Services (LBS) - ANSWER Applications that use location information to provide a service Eintegration - ANSWER use of the Internet to provide customers with the ability to gain personalized information by querying corporate databases and their information sources. Integration - ANSWER Allows separate systems to communicate directly with each other, eliminating the need for manual entry into multiple systems Application integration - ANSWER the integration of a company's existing management information systems Data integration - ANSWER the integration of data from multiple sources, which provides a unified view of all data Forward integration - ANSWER takes information entered into a given system and sends it automatically to all downstream systems and processes Backward integration - ANSWER takes information entered into a given system and sends it automatically to all upstream systems and processes [Show More]

Last updated: 2 years ago

Preview 1 out of 10 pages