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infs1
infs1
48
Other
Undergraduate 3
02/16/2012

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Term
business drivers of info systems
Definition
operational excellence, new products services businesses models, customer and supplier intimacy.
Term
unix
Definition
operating system for all types of computers, which is machine independent and supports multiuser processing.
Term
linux
Definition
reliable and compactly designed operating system that is an open source off shoot of unix and that can run on many different hardware platforms and is availale free or at very low cost.
Term
info systems activites
Definition
input, processing, output, and feedback.
Term
info technology
Definition
the hardware and software a business uses to achieve objectives.
Term
information system
Definition
collects stores and disseminates information from an organization’s environment and internal operations to support organizational functions and decision making, communication, coordination, control, analysis, and visualization. change raw data into information that is useful through three basic activities: input, processing and output.
Term
four stages of decision making
Definition
problem identification, solution design, choice, implementation
Term
Different generations of languages
Definition
pc software tools, query language, report generator, graphics langugae, application generator, application software package.
Term
Query language-
Definition
languages for retrieving data stored in databases or files. Capable of supporting requests for info that are not predefined.
Term
PC software tools-
Definition
general purpose application software packages for PCs.
Term
Graphics language-
Definition
retrieve data from files or databases and display them in graphic format. Some graphics software can perform arithmetic or logical operations on data as well.
Term
Application software package-
Definition
software programs sold or leased by commercial vendors that eliminate the need for custom written in house software.
Term
ENTITY RELATIONSHIP
Definition
is a person, place, thing or event about which information must be kept. Each entity has specific characteristics, called attributes.
Term
CATEGORIES OF ENTITY RELATIONSHIP
Definition
The generalized categories you will be using are based on information such as customers,, suppliers, employees, orders, products, shippers, and perhaps parts.
Term
Data warehousE
Definition
is a database, with reporting and query tools, that stores current and historical data extracted from various operational systems and consolidated for management reporting and analysis
Term
Porter's competitve forces model
Definition
provides a general view of the firm, its competitors, and the firm's environment.
Term
advantages of DBMS
Definition
security, multiple people, accessiblitiy, retrieve data faster, update data in
Term
hyper media database
Definition
It is an approach to data management that organized data as a network of nodes linked in any pattern the user specifies.
Term
object orientated programming languages
Definition
- stores the data and procedures that act on those as objects that can be automatically retrieved and shared. OODBMS are becoming popular because they are used to manage the various multimedia components or JAVA applets used in web applications, which typically integrate pieces of information from a variety of sources.
Term
network topologies
Definition
refers to layout of connected devices. Includes: ring, star, bus, tree, mesh.
Term
normalization
Definition
the process of streamlining complex groups of data to minimize redundant data elements and awkward many to many relationships, and increase stability and flexiblity.
Term
referential integrity
Definition
rules to ensure that relationships between coupled tables remain constant.
Term
data definition
Definition
capability to specify the structure of the content of the database.
Term
data dictionary
Definition
is an automated or manual file that stores definitions of data elements and their characteristics.
Term
data manipulation language
Definition
used to add, change, delete and retrieve the data in the database.
Term
structured query language
Definition
most promininent data manipulation language.
Term
data mart
Definition
is a subset of a datawarehouse in which a summarized or highly focused portion of the organization's data is placed in a separate database for a specific population of users.
Term
types of software
Definition
system software, programming software, application software.
Term
system software
Definition
maangages the resources and activites of the computer.
Term
application software
Definition
applies the computer to a specific task for an end user, such as processing an order or generating a mailing list.
Term
Programming software
Definition
usually provides tools to assist a programmer in writing computer programs, and software using different programming languages in a more convenient way
Term
stoarge includes
Definition
magnetic disks (hard drives,USB, RAID), Optical disks: CD ROM, RW, DVD, magnetic tape, storage networking
Term
nanotechnology
Definition
uses individual atoms and molecules to create computer chips and other devices that are thousands of times smaller than current ntechnologies permit.
Term
cloud computing
Definition
refers to a model of computin in which firms and individuals obtain computing resources and software applications over the internet.
Term
software trends includes
Definition
open source software, cloud based software tools and services,
Term
contempory hardware trends
Definition
netbooks, nanotechnology, cloud computing, mobile digital platform, autonomic computing, virtualization and multicore processors.
Term
open source software
Definition
developed by a community of programmers around the world, who make their programs available to users under one of the several different licensing schemes.
Term
cautonomic computing
Definition
is an industry wide effort to develop systems that can configure themselves, optimize and tune themselves, hela themselves when broken, protect themselves from outside intruders and self destruction.
Term
virtualization
Definition
presents a set of computing resources such as computing power or data storage so they can all be accessed in ways that are not restricted by physical configuration or geographic location.
Term
multicore processor
Definition
an integrated circuit to which two or more processors have been attached for enhance performance, reduced power consumption and more efficient simultaneous processing of multiple tasks.
Term
operating system
Definition
is the computer system's chief manager, enabling the system to handle many different tasks and users at the same time. It allocates and assigns system resources, shceudle the use of computer resources and computer jobs and monitors computer system activites.
Term
RFID
Definition
PROVIDE a powerful technology for tracking the movement of goods throughout the supply chain. Uses tiny tags with embedded microchips containing data about an item and its location to trasnmit radio signals over a short distance to RFID readers.
Term
business process management
Definition
is an approach to business which aims to continously improve business processes. Uses a variety of tools and methodologies to understand existing processes, design new processes and optimize those processes. Two steps: identify processes for change, analyze existing processes.
Term
intranet
Definition
internal network based on internet and world wide web technology and standards.
Term
BUSINESS PROCESS REENGINEERING
Definition
RADICAL REDESIGN of business processes, combining steps to cut waste and eliminating repetive, paper intensive tasks in order to improve cost, quality and service, and to maximize the benefits of info technology.
Term
LAN
Definition
at telecommunications network that requires its own dedicated channels that encompasses a limited distance, usually one building or severla buildings in close proximity.
Term
OLAP (ONLINE ANALYTICAL PROCESSING)
Definition
capapbility for manipulating and analyzing large volumes of data from multiple perspectives.
Term
WAN
Definition
WIDE AREA NETWORK. TELECOMMUNICATIONS networks that span a large geographical distance. May consist of a variety of cable, satellite and microwave technologies.
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