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business drivers of info systems |
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operational excellence, new products services businesses models, customer and supplier intimacy. |
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operating system for all types of computers, which is machine independent and supports multiuser processing. |
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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. |
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input, processing, output, and feedback. |
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the hardware and software a business uses to achieve objectives. |
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collects stores and disseminates information from an organizations 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. |
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four stages of decision making |
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problem identification, solution design, choice, implementation |
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Different generations of languages |
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pc software tools, query language, report generator, graphics langugae, application generator, application software package. |
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languages for retrieving data stored in databases or files. Capable of supporting requests for info that are not predefined. |
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general purpose application software packages for PCs. |
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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. |
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Application software package- |
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software programs sold or leased by commercial vendors that eliminate the need for custom written in house software. |
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is a person, place, thing or event about which information must be kept. Each entity has specific characteristics, called attributes. |
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CATEGORIES OF ENTITY RELATIONSHIP |
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The generalized categories you will be using are based on information such as customers,, suppliers, employees, orders, products, shippers, and perhaps parts. |
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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 |
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Porter's competitve forces model |
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provides a general view of the firm, its competitors, and the firm's environment. |
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security, multiple people, accessiblitiy, retrieve data faster, update data in |
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It is an approach to data management that organized data as a network of nodes linked in any pattern the user specifies. |
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object orientated programming languages |
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- 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. |
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refers to layout of connected devices. Includes: ring, star, bus, tree, mesh. |
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the process of streamlining complex groups of data to minimize redundant data elements and awkward many to many relationships, and increase stability and flexiblity. |
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rules to ensure that relationships between coupled tables remain constant. |
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capability to specify the structure of the content of the database. |
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is an automated or manual file that stores definitions of data elements and their characteristics. |
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data manipulation language |
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used to add, change, delete and retrieve the data in the database. |
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structured query language |
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most promininent data manipulation language. |
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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. |
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system software, programming software, application software. |
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maangages the resources and activites of the computer. |
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applies the computer to a specific task for an end user, such as processing an order or generating a mailing list. |
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usually provides tools to assist a programmer in writing computer programs, and software using different programming languages in a more convenient way |
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magnetic disks (hard drives,USB, RAID), Optical disks: CD ROM, RW, DVD, magnetic tape, storage networking |
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uses individual atoms and molecules to create computer chips and other devices that are thousands of times smaller than current ntechnologies permit. |
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refers to a model of computin in which firms and individuals obtain computing resources and software applications over the internet. |
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open source software, cloud based software tools and services, |
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contempory hardware trends |
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netbooks, nanotechnology, cloud computing, mobile digital platform, autonomic computing, virtualization and multicore processors. |
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developed by a community of programmers around the world, who make their programs available to users under one of the several different licensing schemes. |
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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. |
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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. |
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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. |
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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. |
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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. |
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business process management |
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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. |
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internal network based on internet and world wide web technology and standards. |
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BUSINESS PROCESS REENGINEERING |
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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. |
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at telecommunications network that requires its own dedicated channels that encompasses a limited distance, usually one building or severla buildings in close proximity. |
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OLAP (ONLINE ANALYTICAL PROCESSING) |
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capapbility for manipulating and analyzing large volumes of data from multiple perspectives. |
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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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